negus engus ngeus gneus egnus genus neugs enugs nuegs unegs eungs uengs ngues gnues nuges unges gunes ugnes eguns geuns eugns uegns guens ugens negsu engsu ngesu gnesu egnsu gensu nesgu ensgu nsegu snegu esngu sengu ngseu gnseu nsgeu sngeu gsneu sgneu egsnu gesnu esgnu segnu gsenu sgenu neusg enusg nuesg unesg eunsg uensg nesug ensug nseug sneug esnug senug nuseg unseg nsueg snueg usneg suneg eusng uesng esung seung useng sueng nguse gnuse nugse ungse gunse ugnse ngsue gnsue nsgue sngue gsnue sgnue nusge unsge nsuge snuge usnge sunge gusne ugsne gsune sgune usgne sugne egusn geusn eugsn uegsn guesn ugesn egsun gesun esgun segun gseun sgeun eusgn uesgn esugn seugn usegn suegn gusen ugsen gsuen sguen usgen sugen
Note: these 'words' (valid or invalid) are all the permutations of the word negus. These words are obtained by scrambling the letters in negus.