-hou cccc cccu ccoc cctc cctt ccuc ccut chch chkt choc choh chok choo chou chto chtt chuk chut ckch ckck ckco ckoc ckoo ckot coch cock coco coct cocu coho cok- coko cooh cook coot cotc coth coto cott cotu couk cout ctot cucc cuck cuk- cut- cutc cuth cuto cutt hccc hcch hhhh hkcc hoch hock hoho hoko hoku hook hoot hoth hoto hott hotu houk hout htcc htoh huch huck hucu huhu huot huth huto hutt hutu kccc kcck kcct kccu kchh kchk kcho kchu kckc kckk kcko kcoh kcot kcou kctc kcto kctu kcuh kcuk khcc khch khck khct khhk khho khkk khoc khok khot khou khth khtk khto khtt khuk khut kkch kkck kkco kkct kkhh kkhk kkkk kkoh kkoo kkot kktc kktk kktu kkut kkuu koch kock koct kohh koho koht kohu kokc kokh kokk koko koku kooc kook kooo koot koou kotc koth kotk koto kott kotu kout kouu ktcc ktch ktck ktco kthc kthh kthk ktho ktht kthu ktkc ktkk ktko ktkt ktku ktoc ktoh ktok ktoo ktot kttc ktth kttk ktto kttt kttu ktuc ktuh kucc kuch kuco kuht kuhu kukh kukk kuku kuok kuoo kuth kuto kutt kutu kuuk kuuu occc occt ocht oct- octo ohcc ohho ohoh ohok ohto ohtu okcu okko okok okot okto ooho ooku oooh oooo otho oto- otoh otok otoo otto ottu oucc ouch out- outh outo ouu- tccc tccu tch- tchh tcho tchu tctc thch thoo thot thou thuk toch tock toco toho tohu toko toku tooh took toot totc toth toto tott touh touk tout tttt tucc tuch tuck tuco tuht tuhu tuko tuto tutt tutu tuuo ucho ucut uhoh uhok uhuh ukcc ukko ukok uocc utto uttu uuoc uuuu