cccc cccl cchl cclc ccoc cctc cctl cctt chch chkt chlc chlt choc choh chok chol choo chto chtt ckch ckck ckcl ckco ckoc ckoo ckot clok cloo clot cltc coch cock coco coct coho cok- coko col- colk coll colo colt cooh cook cool coot cotc coth coto cott ctol ctot hccc hcch hhcl hhhh hkcc hkcl hoch hock hohl hoho hoko hol- holc holh holk holl holo holt hook hool hoot hoth hotl hoto hott htcc htoh htol k-lo kccc kcck kccl kcct kchh kchk kchl kcho kckc kckk kckl kcko kclc kclh kclk kcll kclt kcoh kcol kcot kctc kcto khcc khch khck khct khhk khhl khho khkk khlc khll khlo khoc khok khol khot khth khtk khtl khto khtt kkch kkck kkcl kkco kkct kkhh kkhk kkkk kklc kklh kkll kklo kkoh kkol kkoo kkot kktc kktk kktl klcc klch klck klcl klhc klht klkc klkk klkl klko kllc kllk kloc kloh klok klol kloo kltc klth kltk klto kltt koch kock koct kohh kohl koho koht kokc kokh kokk koko kolc kolk koll kolo kolt kooc kook kool kooo koot kotc koth kotk koto kott ktcc ktch ktck ktcl ktco kthc kthh kthk ktho ktht ktkc ktkk ktko ktkt ktlh ktlk ktlo ktlt ktoc ktoh ktok ktoo ktot kttc ktth kttk ktto kttt lccc lchc lctl lcto lhhh llcc lllc llll lloc lloo locc loch lock loco loho lokk loko loll lolo looc look lool loot loth lotl loto lott ltcc lttc occc occt ocht oclc oct- octo ohcc ohho ohoh ohok ohto okko oklo okok okol okot okto olcc ollo olot ooho oolo oooh oooo otcl otho oto- otoh otok otoo otto tccc tch- tchh tcho tctc thch thoo thot tkol tlco toch tock toco toho toko tol- tolk toll tolo tolt tooh took tool toot totc toth toto tott tttt