cccc cccu ccee ccoc cctc cctt ccuc ccut cec- cece ceco cect ceec ceke ceou cet- cete ceto ckck ckco ckoc ckoo ckot coce cock coco coct cocu cok- coke coko cook coot cotc cote coto cott cotu coue couk cout ctec ctot cucc cuce cuck cuek cuk- cuke cut- cutc cute cuto cutt eccc ecce ecco ecct ecko eco- ecot ecou ect- ectc ecto eeee eeke eeoc eetc eete eetu ekco ekek eket eotc eoto etcc etco etec etee etoe etok ette etto ettu kccc kcck kcct kccu kcec kcee kceo kcet kceu kckc kckk kcko kcoe kcot kcou kctc kcte kcto kctu kcue kcuk keck keco keek keet kekc keke keko keku keok ket- ketc kete ketk keto kett ketu kkck kkco kkct kkkk kkoo kkot kktc kktk kktu kkut kkuu kock koct kokc koke kokk koko koku kooc kook kooo koot koou kotc kote kotk koto kott kotu koue kout kouu ktcc ktce ktck ktco ktec ktee ktek ktkc ktke ktkk ktko ktkt ktku ktoc ktoe ktok ktoo ktot kttc kttk ktto kttt kttu ktuc kucc kuce kuco kuek kueu kuke kukk kuku kuok kuoo kute kuto kutt kutu kuuk kuuu o-eo occc occt oce ocee ocet ocke oct- octe octo oec- oecc oeec okcu oket okko okok okot okto ooku oooo otee oto- otoe otok otoo otte otto ottu oucc out- oute outo ouu- tccc tccu tctc teck teco tect teec teek teet teke teok tete teto tett tetu teuk teut toce tock toco toee toek toet toke toko toku took toot totc tote toto tott touk tout tteo ttoe tttt tucc tuck tuco tuet tuke tuko tute tuto tutt tutu tuuo ucut ukcc ukek ukeu ukko ukok uocc uoke utec utto uttu uuoc uuuu