cccc cchy ccoc cctc cctt chch chkt choc choh chok choo choy chto chtt chy- chyc chyk ckch ckck ckco ckcy ckoc ckoo ckot ckoy ckty coch cock coco coct coho cok- coko coky cooh cook coot cotc coth coto cott coty coyo coyt ctot cyc- cycc cyt- cyto cyy- cyyc hccc hcch hhhh hkcc hoch hock hoho hoko hoky hook hoot hoth hoto hott hoyt htcc htoh hyo- kccc kcck kcct kccy kchh kchk kcho kckc kckk kcko kcky kcoh kcot kctc kcto kcty kcyk kcyt kcyy khcc khch khck khct khhk khho khkk khky khoc khok khot khoy khth khtk khto khtt khty khyt khyy kkch kkck kkco kkct kkcy kkhh kkhk kkkk kkoh kkoo kkot kkoy kktc kktk kkty kkyc kkyy koch kock koct kohh koho koht kokc kokh kokk koko koky kooc kook kooo koot kotc koth kotk koto kott koty koyo koyt koyy ktcc ktch ktck ktco ktcy kthc kthh kthk ktho ktht ktkc ktkk ktko ktkt ktoc ktoh ktok ktoo ktot ktoy kttc ktth kttk ktto kttt ktty kycc kyck kyct kykc kykk kyky kyok kyoo kyot kyoy kytc kyth kyto kytt kyty kyyk kyyo kyyt kyyy occc occt ocht oct- octo octy ohcc ohho ohoh ohok ohto ohyo okko okok okot okto okyo ooho ooky oooh oooo ooty otho oto- otoh otok otoo otoy otto oych tccc tch- tchh tcho tctc thch thoo thot thyh to-y toch tock toco toho toko toky tooh took toot totc toth toto tott toty toyo toyt ttoy tttt tyck tyco tyht tyto tytt tyty yccc ycch yctc ykko ykyt yoch yock yoho yoko yoky yook yoot yott yoyo ytch ytht ytky yyyy