c-- ccc ccd ccl ccp ccs cct cdc cdd cdl cdp cds cdt cl- clc cld cll clp cls clt cpc cpd cpl cpp cps cpt csc csd csl csp css cst ctc ctd ctl ctp cts ctt dcc dcd dcl dcp dcs dct ddc ddd ddl ddp dds ddt dl- dlc dld dll dlp dls dlt dpc dpd dpl dpp dps dpt dsc dsd dsl dsp dss dst dtc dtd dtl dtp dts dtt l-p lcc lcd lcl lcp lcs lct ldc ldd ldl ldp lds ldt llc lld lll llp lls llt lpc lpd lpl lpp lps lpt lsc lsd lsl lsp lss lst ltc ltd ltl ltp lts ltt p-p pcc pcd pcl pcp pcs pct pdc pdd pdl pdp pds pdt plc pld pll plp pls plt ppc ppd ppl ppp pps ppt ps- psc psd psl psp pss pst pt- ptc ptd ptl ptp pts ptt scc scd scl scp scs sct sdc sdd sdl sdp sds sdt slc sld sll slp sls slt spc spd spl spp sps spt ss- ssc ssd ssl ssp sss sst stc std stl stp sts stt tcc tcd tcl tcp tcs tct tdc tdd tdl tdp tds tdt tlc tld tll tlp tls tlt tpc tpd tpl tpp tps tpt tsc tsd tsl tsp tss tst ttc ttd ttl ttp tts ttt