cccc ccgc cchr ccnc ccnr ccoc ccrc ccrg cgcc cgcg cgro chch chgn chnc chno chnr choc choh chon choo chor chrc chrn chro chrr cnco cnoh cnrc cnrr coch coco cogh cogo cohn coho con- conc cong conn cono cooh coon cor- corc corg corn coro corr crcc crcr croc croh cron croo cror gc-c gccc gcrg gggg gghg ggrn ghon gncc gngc gnoo gnrc gnrr goch gocr gogh gogo gon- gong gonn gono goog goon goor gorg gorn goro gorr grcc groc grog groh gron groo gror grrr hccc hcch hcgh hcng hggc hhgg hhhh hoch hocn hocr hogg hogh hogo hohn hoho hong hono hoon hoor horc horg horn horo horr hrng hron hrrc nccc nccn nccr ncgr nchc ncnc ncoc ncor ncrc ngon ngor nhcc nhnn nhon nhrc nngn nnnn noch noco nogg nogh nogo nohn noho non- nong nonn nono noo- noon nooo noor nor- norc norg norn noro norr nroc nron nrrc occc occn ocon ocro ocrr ogog ogon ogro ohcc ohgr ohho ohno ohoh ohrn onc- onco ongo onno onon onor oocr ooho oooh oooo orch orco orgn orgo ornc orno oro- oron oror orro rccc rcgc rcnr rcon rcrg rhcg rhoc rhog rhoh rhon rnco rocc roch roco rogg rogh rogo rohn rohr ronc rong rono roog roon roor rorc roro rrrr