c-- ccc ccd ccl ccn ccs cct cdc cdd cdl cdn cds cdt cl- clc cld cll cln cls clt cn- cnc cnd cnl cnn cns cnt csc csd csl csn css cst ctc ctd ctl ctn cts ctt dcc dcd dcl dcn dcs dct ddc ddd ddl ddn dds ddt dl- dlc dld dll dls dlt dnc dnd dnl dnn dns dnt dsc dsd dsl dsn dss dst dtc dtd dtl dtn dts dtt lcc lcd lcl lcn lcs lct ldc ldd ldl ldn lds ldt llc lld lll lln lls llt lnc lnd lnl lnn lns lnt lsc lsd lsl lsn lss lst ltc ltd ltl lts ltt ncc ncd ncl ncn ncs nct ndc ndd ndl ndn nds ndt nlc nld nll nln nls nlt nnc nnl nnn nns nnt nsc nsd nsl nsn nss nst ntc ntd ntn nts ntt scc scd scl scn scs sct sdc sdd sdl sdn sds sdt slc sld sll sln sls slt snc snd snl snn sns snt ss- ssc ssd ssl ssn sss sst stc std stl stn sts stt tcc tcd tcl tcn tcs tct tdc tdd tdl tdn tds tdt tlc tld tll tln tls tlt tnc tnd tnl tnn tns tnt tsc tsd tsl tsn tss tst ttc ttd ttl ttn tts ttt