c-- ccc ccd ccl ccm ccs cct cdc cdd cdl cdm cds cdt cl- clc cld cll clm cls clt cmc cmd cml cmm cms cmt csc csd csl csm css cst ctc ctd ctl ctm cts ctt dcc dcd dcl dcm dcs dct ddc ddd ddl ddm dds ddt dl- dlc dld dll dlm dls dlt dmc dmd dml dmm dms dmt dsc dsd dsl dsm dss dst dtc dtd dtl dtm dts dtt lcc lcd lcl lcm lcs lct ldc ldd ldl ldm lds ldt llc lld lll llm lls llt lmc lmd lml lmm lms lmt lsc lsd lsl lsm lss lst ltc ltd ltl ltm lts ltt mc- mcc mcd mcl mcm mcs mct mdc mdd mdl mdm mds mdt mlc mld mll mlm mls mlt mmc mmd mml mmm mms mmt msc msd msl msm mss mst mtc mtd mtl mtm mts mtt scc scd scl scm scs sct sdc sdd sdl sdm sds sdt slc sld sll slm sls slt smc smd sml smm sms smt ss- ssc ssd ssl ssm sss sst stc std stl stm sts stt tcc tcd tcl tcm tcs tct tdc tdd tdl tdm tds tdt tlc tld tll tlm tls tlt tmc tmd tml tmm tms tmt tsc tsd tsl tsm tss tst ttc ttd ttl ttm tts ttt