c-- ccc ccd ccl ccs cct ccv cdc cdd cdl cds cdt cdv cl- clc cld cll cls clt clv csc csd csl css cst csv ctc ctd ctl cts ctt ctv cvc cvd cvl cvs cvt cvv dcc dcd dcl dcs dct dcv ddc ddd ddl dds ddt dl- dlc dld dll dls dlt dlv dsc dsd dsl dss dst dsv dtc dtd dtl dts dtt dtv dvc dvd dvl dvs dvt lcc lcd lcl lcs lct lcv ldc ldd ldl lds ldt ldv llc lld lll lls llt llv lsc lsd lsl lss lst lsv ltc ltd ltl lts ltt ltv lvc lvd lvl lvs lvt lvv scc scd scl scs sct scv sdc sdd sdl sds sdt sdv slc sld sll sls slt slv ss- ssc ssd ssl sss sst ssv stc std stl sts stt stv svc svd svl svs svt svv tcc tcd tcl tcs tct tcv tdc tdd tdl tds tdt tdv tlc tld tll tls tlt tlv tsc tsd tsl tss tst tsv ttc ttd ttl tts ttt ttv tvc tvd tvl tvs tvt vcc vcd vcl vcs vct vdc vdd vdl vds vdt vdv vl- vlc vld vll vls vlt vlv vsc vsd vsl vss vst vsv vtc vtl vts vtt vtv vvc vvs vvt vvv