c-- ccc ccd ccl cct ccv cdc cdd cdl cdt cdv cl- clc cld cll clt clv ctc ctd ctl ctt ctv cvc cvd cvl cvt cvv dcc dcd dcl dct dcv ddc ddd ddl ddt dl- dlc dld dll dlt dlv dtc dtd dtl dtt dtv dvc dvd dvl dvt lcc lcd lcl lct lcv ldc ldd ldl ldt ldv llc lld lll llt llv ltc ltd ltl ltt ltv lvc lvd lvl lvt lvv tcc tcd tcl tct tcv tdc tdd tdl tdt tdv tlc tld tll tlt tlv ttc ttd ttl ttt ttv tvc tvd tvl tvt vcc vcd vcl vct vdc vdd vdl vdt vdv vl- vlc vld vll vlt vlv vtc vtl vtt vtv vvc vvt vvv