cccc ccnc ccoc cctc cctt chch chkt chnc chno choc choh chok chon choo chto chtt ckch ckck ckco cknc cknt ckoc ckoo ckot cnco cnoh cntc cntk coch cock coco coct cohn coho cok- coko con- conc conk conn cono cont cooh cook coon coot cotc coth cotn coto cott ctot cttn hccc hcch hhhh hkcc hoch hock hocn hohn hoho hoko honk hono hont hook hoon hoot hoth hoto hott htcc htoh kccc kcck kcct kchh kchk kchn kcho kckc kckk kckn kcko kcnh kcno kcnt kcoh kcon kcot kctc kctn kcto khcc khch khck khct khhk khho khkk khkn khnc khnk khoc khok khon khot khth khtk khtn khto khtt kkch kkck kkcn kkco kkct kkhh kkhk kkkk kknn kkno kknt kkoh kkon kkoo kkot kktc kktk knch knck kncn knco knct knhc knhk knht knkk knkt knnk knoc knok knon knot knth kntk kntn knto koch kock kocn koct kohh kohn koho koht kokc kokh kokk kokn koko konc konk kono kont kooc kook koon kooo koot kotc koth kotk kotn koto kott ktcc ktch ktck ktco kthc kthh kthk kthn ktho ktht ktkc ktkk ktkn ktko ktkt ktnc ktnk ktnn ktno ktnt ktoc ktoh ktok kton ktoo ktot kttc ktth kttk kttn ktto kttt nccc nccn ncct nchc ncnc ncoc nctc nhcc nhnn nhon nknt nkok nnnn nnot nntn noch nock noco noct nohn noho noht noko non- nonn nono nont noo- nook noon nooo noot not- noth noto nott ntcc nthn ntht ntto occc occn occt ocht ocon oct- octo ohcc ohho ohno ohoh ohok ohto okko okno okok okon okot okto onc- onco onct onno onon ont- ontc onto ooho oont oooh oooo otho oto- otoh otok oton otoo otto tccc tch- tchh tcho tcnn tcon tctc thch thnk thnt thon thoo thot tkon tncc toch tock toco toho toko tonh tonk tonn tono tooh took toon toot totc toth toto tott ttcn tton tttt