-ic c-- ccc cci ccl ccr ccs cct ccu ccx ci- cic cii cil cir cis cit ciu cix cl- clc cli cll clr cls clt clu clx crc cri crl crr crs crt cru crx csc csi csl csr css cst csu csx ctc cti ctl ctr cts ctt ctu ctx cuc cui cul cur cus cut cuu cxc cxi cxl cxr cxs cxt cxx icc ici icl icr ics ict icu iic iii iil iir iis iit iiu iix il- ilc ili ill ilr ils ilt ilu ilx ir- irc iri irl irr irs irt iru irx is- isc isi isl isr iss ist isu itc iti itl its itt itu itx iu- iuc iui iur ius iut ixc ixi ixl lcc lci lcl lcr lcs lct lcu lcx lic lii lil lir lis lit liu lix llc lli lll llr lls llt llu lrc lri lrr lrs lrt lru lsc lsi lsl lsr lss lst lsu ltc lti ltl ltr lts ltt ltu ltx luc lui lul lur lus lut luu lux lxc lxi lxr lxx rcc rci rcl rcr rcs rct rcu rcx ric rii ril rir ris rit rix rlc rli rll rlr rls rlt rlu rrc rri rrl rrr rrs rrt rru rsc rsi rsl rsr rss rst rsu rsx rtc rti rtl rtr rts rtt rtu rtx ruc rui rur rus rut ruu rux rxr rxs scc sci scl scr scs sct scu scx sic sii sil sir sis sit siu six slc sli sll slr sls slt slu slx sr- src sri srl srr srs srt srx ss- ssc ssi ssl ssr sss sst ssu ssx stc sti stl str sts stt stu stx suc sui sul sur sus sut suu sux sxc sxi sxl sxs sxt sxu t-x tcc tci tcl tcr tcs tct tcu tcx tic tii til tir tis tit tiu tix tlc tli tll tlr tls tlt tlu tlx trc tri trl trr trs trt tru trx tsc tsi tsl tsr tss tst tsu tsx ttc tti ttl ttr tts ttt ttu ttx tuc tui tul tur tus tut tuu tux txi txl txs txt txu ucc uci ucl ucr ucs uct ucu uic uii uil uir uis uit uiu ulc uli ull ulr uls ult ulu ur- urc uri url urr urs urt uru urx usc usi usl usr uss ust usu usx utc uti utl utr uts utt utu utx uuc uur uus uut uuu uxc uxr uxt uxu xci xcl xcr xcx xic xii xis xit xiu xix xli xlr xls xlt xrc xrt xrx xsc xsi xsl xss xst xtc xti xtr xts xtx xui xul xus xxi xxl xxx