cccc cccl cclc ccnc ccnr ccoc ccrc ccrl clon cloo clor clro cnco cnrc cnrr coco col- coll coln colo con- conc conn cono cool coon cor- corc corl corn coro corr crcc crcr croc crol cron croo cror lccc lcor lcrl llcc lllc llll lloc lloo lncr locc locn loco loll lolo lono lonr looc lool loon loor lorn loro lroc lron lrrc lrrr nccc nccn nccr nclc ncln nclr ncnc ncoc ncor ncrc nlcc nnnn nocl noco noll nolo non- nonn nono noo- nool noon nooo noor nor- norc norn noro norr nroc nron nrrc nrrl occc occn oclc ocon ocrl ocro ocrr olcc ollo olon olor onc- onco onno onon onor oocr oolo oooo orco orlo ornc orno oro- oron oror orro rccc rcnl rcnr rcon rnco rocc roco roll rolo ronc rono rool roon roor rorc roro rrrr