aphid pahid ahpid hapid phaid hpaid apihd paihd aiphd iaphd piahd ipahd ahipd haipd aihpd iahpd hiapd ihapd phiad hpiad pihad iphad hipad ihpad aphdi pahdi ahpdi hapdi phadi hpadi apdhi padhi adphi daphi pdahi dpahi ahdpi hadpi adhpi dahpi hdapi dhapi phdai hpdai pdhai dphai hdpai dhpai apidh paidh aipdh iapdh piadh ipadh apdih padih adpih dapih pdaih dpaih aidph iadph adiph daiph idaph diaph pidah ipdah pdiah dpiah idpah dipah ahidp haidp aihdp iahdp hiadp ihadp ahdip hadip adhip dahip hdaip dhaip aidhp iadhp adihp daihp idahp diahp hidap ihdap hdiap dhiap idhap dihap phida hpida pihda iphda hipda ihpda phdia hpdia pdhia dphia hdpia dhpia pidha ipdha pdiha dpiha idpha dipha hidpa ihdpa hdipa dhipa idhpa dihpa
Note: these 'words' (valid or invalid) are all the permutations of the word aphid. These words are obtained by scrambling the letters in aphid.