cccc ccci cccp ccee cche cchp ccic ccii ccip ccix ccoc ccpe ccpp ccxi cec- cece ceci ceco cecp ceec ceip ceop cepc cepe ceph cepo cepp cexe chce chch chci chcp chec chee cheh chep chex chic chie chih chip choc choh choi choo chop chpp cicc cich cici cico ciee ciii cipo cipp cixi coce coch coco cocp coep coex coho coip coix cooh coop cope coph copi copo copp coxe cpce cpep cpic cpio cpix cpox cxii cxix cxpo cxxi cxxx 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 epix epoc epox eppc eppo eppp epxp exch exco exec exh- exhi exo- expo h-ii hccc hcch hchi hcpc hech heep hehe heho heic heie heih hepc hepe hepi hepp hex- hexe hexi hhex hhhh hhip hhpc hi-c hicc hice hich hico hicp hiei hihc hihe hihi hiho hiie hioc hipc hipe hipo hipp hoce hoch hoei hohe hoho hoie hoip hoix hooe hoop hoox hope hopi hopo hopp hopx hpcc hpcx hppe iccc icci icco iccp icec icee icex ichc iche ichi icho icoc icpc icpo iecc ieie ieio ieoh ihcc ihep ihop iiie iiii iiio iioi iioo iiop ioci iocp ioee ioii ioio iooi iooo ipcc ipce ipec ipex iphc ipie ipix ipoe ipoh ipop ippc ippo ipxe ixxi o-eo occc occi oce ocee oche ochi ocpp oec- oecc oeec ohcc ohee ohhi ohho ohio ohoh oici oiii oipc ooho oooh oooo opec opei opep opex ophi opic opie opii opio opo- oppi oppo oxep oxi- oxic oxie oxo- oxox oxxo pccc pcce pcep pchp pcip pcoe pcpp pece pech peci peco peec peep pehe peho peio peip pepe pepi pepo phcc phe- phex phi- phip phoh phoo phox picc pice pich pici pico piep piip pipe pipi pipo pipp pixo pixx poce poch poco poio poix pooh poop pop- popc pope popi popo popp ppcc ppci pphi ppic ppie ppih pppo pppp xcii xexe xhhp xhoi xico xihe xiii xipe xiph xixi xoco xoxo xpcc xxii xxix xxxi xxxo xxxx