c-- ccc ccl ccn ccr ccs ccu cl- clc cll cln clr cls clu cn- cnc cnl cnn cnr cns cnu crc crl crn crr crs cru csc csl csn csr css csu cuc cul cun cur cus cuu lcc lcl lcn lcr lcs lcu llc lll lln llr lls llu lnc lnl lnn lnr lns lnu lrc lrn lrr lrs lru lsc lsl lsn lsr lss lsu luc lul lun lur lus luu ncc ncl ncn ncr ncs ncu nlc nll nln nlr nls nlu nnc nnl nnn nns nnu nrc nrl nrn nrr nrs nru nsc nsl nsn nsr nss nsu nuc nul nun nur nus nuu rcc rcl rcn rcr rcs rcu rlc rll rln rlr rls rlu rnc rnn rnr rns rnu rrc rrl rrn rrr rrs rru rsc rsl rsn rsr rss rsu ruc run rur rus ruu scc scl scn scr scs scu slc sll sln slr sls slu snc snl snn snr sns snu sr- src srl srn srr srs ss- ssc ssl ssn ssr sss ssu suc sul sun sur sus suu ucc ucl ucn ucr ucs ucu ulc ull uln ulr uls ulu un- unc unl unn unr uns unu ur- urc url urn urr urs uru usc usl usn usr uss usu uuc uun uur uus uuu