cccc cckw ccoc ccow cctc cctt chch chkt choc choh chok choo chow chto chtt chwk chwo ckch ckck ckco ckcw ckoc ckoo ckot ckww coch cock coco coct coho cok- coko cooh cook coot cotc coth coto cott cotw cowh cowt ctot cttw cwot hccc hcch hhhh hkcc hoch hock hoho hoko hook hoot hoth hoto hott hotw howh howk howt htcc htoh kccc kcck kcct kchh kchk kcho kckc kckk kcko kcoh kcot kcow kctc kcto kcwc kcwk kcwt khcc khch khck khct khhk khho khkk khoc khok khot khow khth khtk khto khtt khwk kkch kkck kkco kkct kkcw kkhh kkhk kkkk kkoh kkoo kkot kkow kktc kktk kkwk koch kock koct kocw kohh koho koht kokc kokh kokk koko kooc kook kooo koot kotc koth kotk koto kott kowh ktcc ktch ktck ktco kthc kthh kthk ktho ktht ktkc ktkk ktko ktkt ktoc ktoh ktok ktoo ktot kttc ktth kttk ktto kttt kttw ktwo kwck kwhk kwho kwht kwhw kwkc kwkh kwkk kwkw kwoc kwok kwow kwth kwto kwtw kwwk kwwt occc occt ocht oct- octo ohcc ohho ohoh ohok ohow ohto okko okok okot okto ooho oooh oooo ootw otho oto- otoh otok otoo otow otto otwo owch owoh owow owt- owth owtt tccc tch- tchh tcho tctc thch thoo thot thow toch tock toco toho toko tooh took toot totc toth toto tott towh towk tttt twch two- twoc twoh twoo twot wccc wcch wcck wcco wcct wccw wchc wchk wcho wcht wckk wckt wckw wcoc wcoh wcok wcoo wcot wctc wcth wctk wcto wctt wctw wcwc whcc whck whco whct whhh whho whht whhw whkc whko whkt whkw whok whoo whot whow whtc whth whtk whto whtt whwc whwh whwk wkch wkco wkct wkcw wkhk wkht wkhw wkkc wkko wkkt wkkw wkoc wkok wkoo wkot wkow wktc wktk wkto wktt wkwc wocc woch woco wohc woht wokc wokh wokk woko wokw wooc wook woot woow wotc woth wott wotw wowc wowo wowt woww wtcc wtch wtck wtco wtct wtcw wthk wtht wtkc wtkk wtkt wtkw wtoc wtoh wtok wtot wtow wttc wtth wtto wttt wttw wtwk wtwo wtwt wtww wwch wwck wwco wwct wwcw wwho wwht wwkc wwot wwow wwtc wwth wwtk wwtw wwwc wwwh wwwk wwww