cccc cccm cccp cchp ccmc ccmm ccmp ccoc ccom ccpm ccpp chch chcm chcp chmc chmo chmp choc choh choo chop chpp cmcc cmhc cmmc cmoc cmpc cmpp coch coco cocp coho com- comc comm como comp cooh coom coop coph copo copp cpcm cpmp cppm hccc hcch hcmc hcmm hcpc hhhh hhpc hmmm hmph hoch hohm hoho hom- homo homp hoom hoop hopo hopp hpcc hpmc mccc mchp mcmc mcop mcpc mcph mcpp mhmm mmcc mmcm mmhm mmmc mmmh mmmm mmpc moch moco mohm moho momo mooc moop moph mopp mpcc mpho mpmc mppc mppp occc ocom ocpm ocpp ohcc ohho ohoh omo- omoo ooho oooh oooo opo- oppo pccc pchp pcmh pcom pcpm pcpp phcc phmc phoh phom phoo pmcc pmmp pmpm pmpo poch poco pomo pomp pooh poop pop- popc popo popp ppcc ppcm pppo pppp