-hou cccc cccu ccee cche ccoc ccuc cec- cece ceco ceec ceke ceou chce chch chec chee cheh chek cheu choc choh chok choo chou chuk ckch ckck ckco ckoc ckoo coce coch cock coco cocu coho cok- coke coko cooh cook coue couk cucc cuce cuck cuek cuk- cuke eccc ecce ecco eche echo ecko eco- ecou eeee eeke eeoc ehcc eheh eheu ekch ekco ekek ekho euch hccc hcch hech heck heek hehe heho heke heku heou heue heuk hhhh hkcc hoce hoch hock hoek hohe hoho hoke hoko hoku hooe hook houe houk huch huck hucu huhu huke kccc kcck kccu kcec kcee kceo kceu kche kchh kchk kcho kchu kckc kckk kcko kcoe kcoh kcou kcue kcuh kcuk kech keck keco keeh keek kehk kekc keke keko keku keok khcc khch khck khec khhk khho khke khkk khoc khoe khok khou khuk kkch kkck kkco kkhh kkhk kkkk kkoh kkoo kkuu koch kock kohh koho kohu kokc koke kokh kokk koko koku kooc kook kooo koou koue kouu kucc kuce kuch kuco kuek kueu kuhu kuke kukh kukk kuku kuok kuoo kuuk kuuu o-eo occc oce ocee oche ocke oec- oecc oeec ohcc ohee ohho ohoh ohok okcu okeh okko okok ooho ooku oooh oooo oucc ouch ouu- uche ucho uhoh uhok uhuh ukcc ukek ukeu ukko ukok uocc uoke uuoc uuuu