cccc cccl cccp cchl cchp cchr cclc ccnc ccnp ccnr ccoc ccpl ccpn ccpp ccpr ccrc ccrl ccrp chch chcp chlc chln chlp chlr chnc chnl chno chnr choc choh chol chon choo chop chor chpp chpr chrc chrn chro chrp chrr clon cloo clop clor clpp clro cnco cncp cnoh cnrc cnrr coch coco cocp cohn coho col- coll coln colo colp con- conc conn cono cooh cool coon coop coph copo copp copr cor- corc corl corn coro corp corr cphl cplc crcc crcr croc croh crol cron croo crop cror crpc hccc hcch hcpc hcrp hhcl hhhh hhpc hoch hocn hocr hohl hohn hoho hol- holc holh holl holn holo holp hono hool hoon hoop hoor hopo hopp horc horl horn horo horr hpcc hron hrpc hrpp hrrc lccc lchc lchr lcor lcpc lcpl lcrl lhhh lhor llcc lllc llll lloc lloo lncr locc loch locn loco lohn loho lohr loll lolo lono lonr looc lool loon loop loor lopp lorn loro lppl lprp lroc lron lrrc lrrr nccc nccn nccp nccr nchc nclc ncln nclr ncnc ncoc ncor ncpc ncrc ncrp nhcc nhhl nhnn nhon nhrc nhrp nlcc nlpc nlrp nnnn nnpr noch nocl noco nohn noho noll nolo nolp non- nonn nono noo- nool noon nooo noop noor noph nor- norc norn noro norr npcc nppc nppl nroc nron nrpc nrpn nrrc nrrl occc occn oclc ocon ocpp ocrl ocro ocrr ohcc ohho ohno ohoh ohrn olcc ollo olon olor olpc olph onc- onco onno onon onor oocr ooho oolo oooh oooo opo- opon opor oppo orch orco orlo ornc orno oro- oron oror orpc orph orro pccc pccl pchp pcll pclo pcpn pcpp pcrc pcrl phcc phlo phno phoh phon phoo phrr plcc plch ploc ploh plon ploo plop plpp pnln pnnl pnon pnpo pnpp pnro poch poco pohl poll polo ponc pono ponp pooh pool poon poop poor pop- popc popo popp porc porn poro porr ppcc pplo pppn pppo pppp pprc prcc prcp prhl prlr prnp pro- proc prol pron proo prop rccc rcnl rcnr rcon rcpo rhcp rhoc rhoh rhon rnco rncp rnhl rocc roch roco rohl rohn rohr roll rolo rolp ronc rono rool roon roop roor ropo rorc roro rpho rpon rppn rrrr