cccc cccp cchp cchr ccnc ccnp ccnr ccoc ccpn ccpp ccpr ccrc ccrp chch chcp chnc chno chnr choc choh chon choo chop chor chpp chpr chrc chrn chro chrp chrr cnco cncp cnoh cnrc cnrr coch coco cocp cohn coho con- conc conn cono cooh coon coop coph copo copp copr cor- corc corn coro corp corr crcc crcr croc croh cron croo crop cror crpc hccc hcch hcpc hcrp hhhh hhpc hoch hocn hocr hohn hoho hono hoon hoop hoor hopo hopp horc horn horo horr hpcc hron hrpc hrpp hrrc nccc nccn nccp nccr nchc ncnc ncoc ncor ncpc ncrc ncrp nhcc nhnn nhon nhrc nhrp nnnn nnpr noch noco nohn noho non- nonn nono noo- noon nooo noop noor noph nor- norc norn noro norr npcc nppc nroc nron nrpc nrpn nrrc occc occn ocon ocpp ocro ocrr ohcc ohho ohno ohoh ohrn onc- onco onno onon onor oocr ooho oooh oooo opo- opon opor oppo orch orco ornc orno oro- oron oror orpc orph orro pccc pchp pcpn pcpp pcrc phcc phno phoh phon phoo phrr pnon pnpo pnpp pnro poch poco ponc pono ponp pooh poon poop poor pop- popc popo popp porc porn poro porr ppcc pppn pppo pppp pprc prcc prcp prnp pro- proc pron proo prop rccc rcnr rcon rcpo rhcp rhoc rhoh rhon rnco rncp rocc roch roco rohn rohr ronc rono roon roop roor ropo rorc roro rpho rpon rppn rrrr