c-- ccc ccl ccs cct ccu cl- clc cll cls clt clu csc csl css cst csu ctc ctl cts ctt ctu cuc cul cus cut cuu lcc lcl lcs lct lcu llc lll lls llt llu lsc lsl lss lst lsu ltc ltl lts ltt ltu luc lul lus lut luu scc scl scs sct scu slc sll sls slt slu ss- ssc ssl sss sst ssu stc stl sts stt stu suc sul sus sut suu tcc tcl tcs tct tcu tlc tll tls tlt tlu tsc tsl tss tst tsu ttc ttl tts ttt ttu tuc tul tus tut tuu ucc ucl ucs uct ucu ulc ull uls ult ulu usc usl uss ust usu utc utl uts utt utu uuc uus uut uuu