cccc cccp ccee cche cchp ccoc ccpe ccpp cec- cece ceco cecp ceec ceke ceop cepc cepe ceph cepo cepp chce chch chcp chec chee cheh chek chep choc choh chok choo chop chpp ckch ckck ckco ckoc ckoo ckpc coce coch cock coco cocp coep coho cok- coke coko cooh cook coop cope coph copo copp cpce cpep eccc ecce ecco eche echo ecko eco- ecop ecpp eeee eeke eeoc ehcc eheh ekch ekco ekek ekho ekpe ekpo epcc epch epec epee eph- epoc eppc eppo eppp hccc hcch hcpc hech heck heek heep hehe heho heke hepc hepe hepp hhhh hhpc hkcc hkpo hoce hoch hock hoek hohe hoho hoke hoko hooe hook hoop hope hopo hopp hpcc hppe kccc kcck kcec kcee kceo kcep kche kchh kchk kcho kckc kckk kcko kcoe kcoh kcpc kcpo kech keck keco keeh keek keep kehk kekc keke keko keok kep- kepc kepe keph khcc khch khck khec khep khhk khho khke khkk khoc khoe khok khop khpe kkch kkck kkco kkhh kkhk kkkk kkoh kkoo kkpc kkpk koch kock kocp kohh koho kokc koke kokh kokk koko kokp kooc kook kooo koop kope koph kopp kpcc kpch kpek kphp kpke kpkk kpoc kpoe kpok kpoo kpop kppc kppk kppo kppp o-eo occc oce ocee oche ocke ocpp oec- oecc oeec ohcc ohee ohho ohoh ohok okeh okko okok okpe okpo ooho oooh oooo opec opep opo- oppo pccc pcce pcep pchp pcoe pcpp pece pech peck peco peec peek peep pehe peho peke pekk peko pepe pepo phcc phe- phek phoh phoo poce poch pock poco poke poko pooh pook poop pop- popc pope popo popp ppcc pppo pppp