c-- ccc ccf ccl ccs cct ccu cfc cff cfl cfs cft cfu cl- clc clf cll cls clt clu csc csf csl css cst csu ctc ctf ctl cts ctt ctu cuc cuf cul cus cut cuu fcc fcf fcl fcs fct fcu ffc fff ffl ffs fft ffu flc flf fll fls flt flu fsc fsf fsl fss fst fsu ftc ftf ftl fts ftt ftu fuf ful fus fut fuu lcc lcf lcl lcs lct lcu lfc lff lfl lfs lft lfu llc llf lll lls llt llu lsc lsf lsl lss lst lsu ltc ltf ltl lts ltt ltu luc luf lul lus lut luu scc scf scl scs sct scu sfc sff sfl sfs sft sfu slc slf sll sls slt slu ss- ssc ssf ssl sss sst ssu stc stf stl sts stt stu suc suf sul sus sut suu tcc tcf tcl tcs tct tcu tfc tff tfl tfs tft tfu tlc tlf tll tls tlt tlu tsc tsf tsl tss tst tsu ttc ttf ttl tts ttt ttu tuc tuf tul tus tut tuu ucc ucf ucl ucs uct ucu ufc uff ufl ufs uft ufu ulc ulf ull uls ult ulu usc usf usl uss ust usu utc utf utl uts utt utu uuc uus uut uuu