cccc ccci cccp cccv ccee cche cchp ccic ccii ccip cciv ccoc ccpe ccpp ccvi ccvo cec- cece ceci ceco cecp ceec ceip ceop cepc cepe ceph cepo cepp cevo chce chch chci chcp chec chee cheh chep chev chic chie chih chip chiv choc choh choi choo chop chov chpp chvo cicc cich cici cico ciee ciii cipo cipp civc cive civh civo coce coch coco cocp coep coho coip cooh coop cope coph copi copo copp cove covo cpce cpep cpic cpio cpvc cvcc cvii eccc ecce ecci ecco eche echo ecip eco- ecop ecpp eeee eeoc ehcc eheh eich eico eiec eiei eiho eipo epcc epch epci epec epee eph- ephi epi- epic epie epip epoc eppc eppo eppp evie evoe evoo evop h-ii hccc hcch hchi hcpc hech heep hehe heho heic heie heih hepc hepe hepi hepp heve hevi hhhh hhip hhpc hi-c hi-v hicc hice hich hico hicp hiei hihc hihe hihi hiho hiie hioc hipc hipe hipo hipp hive hoce hoch hoei hohe hoho hoie hoip hooe hoop hope hopi hopo hopp hove hovi hpcc hppe hvcc iccc icci icco iccp icec icee ichc iche ichi icho icoc icpc icpo iecc ieie ieio ieoh ihcc ihep ihop ihvh iiie iiii iiio iioi iioo iiop ioci iocp ioee ioii ioio iooi iooo ipcc ipce ipec iphc ipie ipoe ipoh ipop ippc ippo ivec ivic ivie o-eo occc occi oce ocee oche ochi ocpp oec- oecc oeec oevp ohcc ohee ohhi ohho ohio ohoh oici oiii oipc ooho oooh oooo opec opei opep ophi opic opie opii opio opo- oppi oppo ovee ovi- ovie ovo- ovoo ovpp pccc pcce pcep pchp pcip pcoe pcpp pece pech peci peco peec peep peev pehe peho peio peip pepe pepi pepo phcc phe- phi- phip phoh phoo picc pice pich pici pico piep piip pipe pipi pipo pipp pivo poce poch poco poio pooh poop pop- popc pope popi popo popp povo ppcc ppci pphi ppic ppie ppih pppo pppp pvco vcci vche vecc vech veci veep veho veie veii veip veoh vepe veve vevi vevo vhhh vic- vice vich vici vico vihi viii vive vivi vivo voce voei voho voic voie voio voip vooc vvvv