c-- ccc ccl ccn ccr ccu cl- clc cll cln clr clu cn- cnc cnl cnn cnr cnu crc crl crn crr cru cuc cul cun cur cuu lcc lcl lcn lcr lcu llc lll lln llr llu lnc lnl lnn lnr lnu lrc lrn lrr lru luc lul lun lur luu ncc ncl ncn ncr ncu nlc nll nln nlr nlu nnc nnl nnn nnu nrc nrl nrn nrr nru nuc nul nun nur nuu rcc rcl rcn rcr rcu rlc rll rln rlr rlu rnc rnn rnr rnu rrc rrl rrn rrr rru ruc run rur ruu ucc ucl ucn ucr ucu ulc ull uln ulr ulu un- unc unl unn unr unu ur- urc url urn urr uru uuc uun uur uuu