c-- ccc ccd ccl ccs cct ccu cdc cdd cdl cds cdt cdu cl- clc cld cll cls clt clu csc csd csl css cst csu ctc ctd ctl cts ctt ctu cuc cud cul cus cut cuu dcc dcd dcl dcs dct dcu ddc ddd ddl dds ddt ddu dl- dlc dld dll dls dlt dlu dsc dsd dsl dss dst dsu dtc dtd dtl dts dtt dtu duc dud dul dus dut lcc lcd lcl lcs lct lcu ldc ldd ldl lds ldt ldu llc lld lll lls llt llu lsc lsd lsl lss lst lsu ltc ltd ltl lts ltt ltu luc lud lul lus lut luu scc scd scl scs sct scu sdc sdd sdl sds sdt sdu slc sld sll sls slt slu ss- ssc ssd ssl sss sst ssu stc std stl sts stt stu suc sud sul sus sut suu tcc tcd tcl tcs tct tcu tdc tdd tdl tds tdt tdu tlc tld tll tls tlt tlu tsc tsd tsl tss tst tsu ttc ttd ttl tts ttt ttu tuc tud tul tus tut tuu ucc ucd ucl ucs uct ucu udc udd udl uds udt udu ulc uld ull uls ult ulu usc usd usl uss ust usu utc utd utl uts utt utu uuc uus uut uuu