cccc ccee cche ccoc cctc cctt cec- cece ceco cect ceec ceke cet- cete ceto chce chch chec chee cheh chek chet chkt choc choh chok choo chto chtt ckch ckck ckco ckoc ckoo ckot coce coch cock coco coct coho cok- coke coko cooh cook coot cotc cote coth coto cott ctec ctot eccc ecce ecco ecct eche echo echt ecko eco- ecot ect- ectc ecth ecto eeee eeke eeoc eetc eete eeth ehcc eheh ehte ekch ekco ekek eket ekho eotc eoto etcc etch etco etec etee eth- ethe etho etoe etoh etok ette etto hccc hcch hech heck hect heek heet hehe heho heke hekt hete heth heto hett hhhh hkcc hket hoce hoch hock hoek hohe hoho hoke hoko hooe hook hoot hote hoth hoto hott htcc htet htoh kccc kcck kcct kcec kcee kceo kcet kche kchh kchk kcho kckc kckk kcko kcoe kcoh kcot kctc kcte kcto kech keck keco keeh keek keet kehk kekc keke keko keok ket- ketc kete keth ketk keto kett khcc khch khck khct khec khet khhk khho khke khkk khoc khoe khok khot khte khth khtk khto khtt kkch kkck kkco kkct kkhh kkhk kkkk kkoh kkoo kkot kktc kktk koch kock koct kohh koho koht kokc koke kokh kokk koko kooc kook kooo koot kotc kote koth kotk koto kott ktcc ktce ktch ktck ktco ktec ktee kteh ktek kthc kthe kthh kthk ktho ktht ktkc ktke ktkk ktko ktkt ktoc ktoe ktoh ktok ktoo ktot kttc ktth kttk ktto kttt o-eo occc occt oce ocee ocet oche ocht ocke oct- octe octo oec- oecc oeec ohcc ohee ohho ohoh ohok ohte ohto okeh oket okko okok okot okto ooho oooh oooo otee othe otho oto- otoe otoh otok otoo otte otto tccc tch- tche tchh tcho tctc tech teck teco tect teec teek teet teho teke tekh teoh teok tete teth teto tett thch the- thec thee thek theo thet thoe thoo thot toce toch tock toco toee toeh toek toet toho toke toko tooh took toot totc tote toth toto tott tteo ttoe tttt