-hou cccc cccp cccu cccv cchp ccoc ccpp ccuc ccup ccvo chch chcp choc choh chok choo chop chou chov chpp chuk chvo ckch ckck ckco ckcv ckhv ckoc ckoo ckpc ckvo coch cock coco cocp cocu coho cok- coko cooh cook coop coph copo copp couk coup covo cpcu cpvc cucc cuck cuk- cupo cupp cvcc hccc hcch hcpc hhhh hhpc hkcc hkpo hoch hock hoho hoko hoku hook hoop hopo hopp houk houp hovk hpcc huch huck hucu huhu hupp hvcc kccc kcck kccu kccv kchh kchk kcho kchu kckc kckk kcko kckv kcoh kcou kcpc kcpo kcpu kcuh kcuk kcup kcvh kcvk kcvo kcvp kcvu kcvv khcc khch khck khcv khhk khho khkk khkv khoc khok khop khou khuk khvh kkch kkck kkco kkhh kkhk kkkk kkoh kkoo kkov kkpc kkpk kkup kkuu kkvu kkvv koch kock kocp kohh koho kohu kokc kokh kokk koko kokp koku kooc kook kooo koop koou koov koph kopp kopu kouu kovc kovk kovo kpcc kpch kpcv kphp kpkk kpoc kpok kpoo kpop kpou kppc kppk kppo kppp kppv kpvc kpvu kucc kuch kuco kucp kucv kuhu kukh kukk kuku kuok kuoo kuop kuph kupu kuuk kuuu kuvo kvcc kvch kvck kvco kvcu kvcv kvhp kvoc kvoh kvok kvoo kvop kvou kvov kvuu kvvp kvvv occc ocpp ohcc ohho ohoh ohok okcu okko okok okpo ooho ooku oooh oooo opo- oppo oucc ouch ouph oupv ouu- ovo- ovoo ovpp pccc pchp pcpp phcc phoh phoo poch pock poco poko poku pooh pook poop pop- popc popo popp pouk poup povo ppcc pppo pppp puch puck puku pupu puuc pvco uccp ucho ucph uhoh uhok uhuh uhup ukcc ukko ukok ukup uocc uovo uppc uppp uppu upup upvc uucp uuoc uuuu uv-c uvok uvvu vhhh voho vohu vooc vouh vouk vovk vuco vuku vvvv