cccc cccl cccv cchl cchr cclc cclv ccoc ccrc ccrl ccvo chch chlc chlr choc choh chol choo chor chov chrc chro chrr chvo cloo clor clro clrv coch coco coho col- coll colo cooh cool cor- corc corl coro corr covo crcc crcr croc croh crol croo cror cvcc cvrr hccc hcch hhcl hhhh hoch hocr hohl hoho hol- holc holh holl holo hool hoor horc horl horo horr hrrc hvcc lccc lchc lchr lcor lcrl lcrv lhhh lhor llcc lllc llll lloc lloo lo-v locc loch loco loho lohr loll lolo looc lool loor loro lovo lroc lrrc lrrr lvcc lvov lvrr occc oclc ocrl ocro ocrr ohcc ohho ohoh olcc ollo olor olov oocr ooho oolo oooh oooo orch orco orlo oro- oror orro orvr ovo- ovol ovoo rccc rcvr rhoc rhoh rocc roch roco rohl rohr roll rolo rool roor rorc roro rovo rrrr rv-c rvvh vhhh vlcc vloc voho volc voll volo vooc vool voor vor- voro vroc vvvv