koibn okibn kiobn ikobn oikbn iokbn kobin okbin kboin bkoin obkin bokin kibon ikbon kbion bkion ibkon bikon oibkn iobkn obikn boikn ibokn biokn koinb okinb kionb ikonb oiknb ioknb konib oknib knoib nkoib onkib nokib kinob iknob kniob nkiob inkob nikob oinkb ionkb onikb noikb inokb niokb kobni okbni kboni bkoni obkni bokni konbi oknbi knobi nkobi onkbi nokbi kbnoi bknoi knboi nkboi bnkoi nbkoi obnki bonki onbki nobki bnoki nboki kibno ikbno kbino bkino ibkno bikno kinbo iknbo knibo nkibo inkbo nikbo kbnio bknio knbio nkbio bnkio nbkio ibnko binko inbko nibko bniko nbiko oibnk iobnk obink boink ibonk bionk oinbk ionbk onibk noibk inobk niobk obnik bonik onbik nobik bnoik nboik ibnok binok inbok nibok bniok nbiok
Note: these 'words' (valid or invalid) are all the permutations of the word koibn. These words are obtained by scrambling the letters in koibn.