biding ibding bdiing dbiing idbing dibing biidng ibidng biidng ibidng iibdng iibdng bdiing dbiing biding ibding dibing idbing idibng diibng iidbng iidbng diibng idibng bidnig ibdnig bdinig dbinig idbnig dibnig bindig ibndig bnidig nbidig inbdig nibdig bdniig dbniig bndiig nbdiig dnbiig ndbiig idnbig dinbig indbig nidbig dnibig ndibig biindg ibindg biindg ibindg iibndg iibndg binidg ibnidg bniidg nbiidg inbidg nibidg binidg ibnidg bniidg nbiidg inbidg nibidg iinbdg iinbdg inibdg niibdg inibdg niibdg bdinig dbinig bidnig ibdnig dibnig idbnig bdniig dbniig bndiig nbdiig dnbiig ndbiig bindig ibndig bnidig nbidig inbdig nibdig dinbig idnbig dnibig ndibig indbig nidbig idinbg diinbg iidnbg iidnbg diinbg idinbg idnibg dinibg indibg nidibg dniibg ndiibg iindbg iindbg inidbg niidbg inidbg niidbg dinibg idnibg dniibg ndiibg indibg nidibg bidign ibdign bdiign dbiign idbign dibign biidgn ibidgn biidgn ibidgn iibdgn iibdgn bdiign dbiign bidign ibdign dibign idbign idibgn diibgn iidbgn iidbgn diibgn idibgn bidgin ibdgin bdigin dbigin idbgin dibgin bigdin ibgdin bgidin gbidin igbdin gibdin bdgiin dbgiin bgdiin gbdiin dgbiin gdbiin idgbin digbin igdbin gidbin dgibin gdibin biigdn ibigdn biigdn ibigdn iibgdn iibgdn bigidn ibgidn bgiidn gbiidn igbidn gibidn bigidn ibgidn bgiidn gbiidn igbidn gibidn iigbdn iigbdn igibdn giibdn igibdn giibdn bdigin dbigin bidgin ibdgin dibgin idbgin bdgiin dbgiin bgdiin gbdiin dgbiin gdbiin bigdin ibgdin bgidin gbidin igbdin gibdin digbin idgbin dgibin gdibin igdbin gidbin idigbn diigbn iidgbn iidgbn diigbn idigbn idgibn digibn igdibn gidibn dgiibn gdiibn iigdbn iigdbn igidbn giidbn igidbn giidbn digibn idgibn dgiibn gdiibn igdibn gidibn bidngi ibdngi bdingi dbingi idbngi dibngi bindgi ibndgi bnidgi nbidgi inbdgi nibdgi bdnigi dbnigi bndigi nbdigi dnbigi ndbigi idnbgi dinbgi indbgi nidbgi dnibgi ndibgi bidgni ibdgni bdigni dbigni idbgni dibgni bigdni ibgdni bgidni gbidni igbdni gibdni bdgini dbgini bgdini gbdini dgbini gdbini idgbni digbni igdbni gidbni dgibni gdibni bingdi ibngdi bnigdi nbigdi inbgdi nibgdi bigndi ibgndi bgindi gbindi igbndi gibndi bngidi nbgidi bgnidi gbnidi ngbidi gnbidi ingbdi nigbdi ignbdi ginbdi ngibdi gnibdi bdngii dbngii bndgii nbdgii dnbgii ndbgii bdgnii dbgnii bgdnii gbdnii dgbnii gdbnii bngdii nbgdii bgndii gbndii ngbdii gnbdii dngbii ndgbii dgnbii gdnbii ngdbii gndbii idngbi dingbi indgbi nidgbi dnigbi ndigbi idgnbi dignbi igdnbi gidnbi dginbi gdinbi ingdbi nigdbi igndbi gindbi ngidbi gnidbi dngibi ndgibi dgnibi gdnibi ngdibi gndibi biingd ibingd biingd ibingd iibngd iibngd binigd ibnigd bniigd nbiigd inbigd nibigd binigd ibnigd bniigd nbiigd inbigd nibigd iinbgd iinbgd inibgd niibgd inibgd niibgd biignd ibignd biignd ibignd iibgnd iibgnd bigind ibgind bgiind gbiind igbind gibind bigind ibgind bgiind gbiind igbind gibind iigbnd iigbnd igibnd giibnd igibnd giibnd bingid ibngid bnigid nbigid inbgid nibgid bignid ibgnid bginid gbinid igbnid gibnid bngiid nbgiid bgniid gbniid ngbiid gnbiid ingbid nigbid ignbid ginbid ngibid gnibid bingid ibngid bnigid nbigid inbgid nibgid bignid ibgnid bginid gbinid igbnid gibnid bngiid nbgiid bgniid gbniid ngbiid gnbiid ingbid nigbid ignbid ginbid ngibid gnibid iingbd iingbd inigbd niigbd inigbd niigbd iignbd iignbd iginbd giinbd iginbd giinbd ingibd nigibd ignibd ginibd ngiibd gniibd ingibd nigibd ignibd ginibd ngiibd gniibd bdingi dbingi bidngi ibdngi dibngi idbngi bdnigi dbnigi bndigi nbdigi dnbigi ndbigi bindgi ibndgi bnidgi nbidgi inbdgi nibdgi dinbgi idnbgi dnibgi ndibgi indbgi nidbgi bdigni dbigni bidgni ibdgni dibgni idbgni bdgini dbgini bgdini gbdini dgbini gdbini bigdni ibgdni bgidni gbidni igbdni gibdni digbni idgbni dgibni gdibni igdbni gidbni bdngii dbngii bndgii nbdgii dnbgii ndbgii bdgnii dbgnii bgdnii gbdnii dgbnii gdbnii bngdii nbgdii bgndii gbndii ngbdii gnbdii dngbii ndgbii dgnbii gdnbii ngdbii gndbii bingdi ibngdi bnigdi nbigdi inbgdi nibgdi bigndi ibgndi bgindi gbindi igbndi gibndi bngidi nbgidi bgnidi gbnidi ngbidi gnbidi ingbdi nigbdi ignbdi ginbdi ngibdi gnibdi dingbi idngbi dnigbi ndigbi indgbi nidgbi dignbi idgnbi dginbi gdinbi igdnbi gidnbi dngibi ndgibi dgnibi gdnibi ngdibi gndibi ingdbi nigdbi igndbi gindbi ngidbi gnidbi idingb diingb iidngb iidngb diingb idingb idnigb dinigb indigb nidigb dniigb ndiigb iindgb iindgb inidgb niidgb inidgb niidgb dinigb idnigb dniigb ndiigb indigb nidigb idignb diignb iidgnb iidgnb diignb idignb idginb diginb igdinb gidinb dgiinb gdiinb iigdnb iigdnb igidnb giidnb igidnb giidnb diginb idginb dgiinb gdiinb igdinb gidinb idngib dingib indgib nidgib dnigib ndigib idgnib dignib igdnib gidnib dginib gdinib ingdib nigdib igndib gindib ngidib gnidib dngiib ndgiib dgniib gdniib ngdiib gndiib iingdb iingdb inigdb niigdb inigdb niigdb iigndb iigndb igindb giindb igindb giindb ingidb nigidb ignidb ginidb ngiidb gniidb ingidb nigidb ignidb ginidb ngiidb gniidb dingib idngib dnigib ndigib indgib nidgib dignib idgnib dginib gdinib igdnib gidnib dngiib ndgiib dgniib gdniib ngdiib gndiib ingdib nigdib igndib gindib ngidib gnidib
Note: these 'words' (valid or invalid) are all the permutations of the word biding. These words are obtained by scrambling the letters in biding.