-ic c-- ccc cci ccs cct ccu ccx ci- cic cii cis cit ciu cix csc csi css cst csu csx ctc cti cts ctt ctu ctx cuc cui cus cut cuu cxc cxi cxs cxt cxx icc ici ics ict icu iic iii iis iit iiu iix is- isc isi iss ist isu itc iti its itt itu itx iu- iuc iui ius iut ixc ixi scc sci scs sct scu scx sic sii sis sit siu six ss- ssc ssi sss sst ssu ssx stc sti sts stt stu stx suc sui sus sut suu sux sxc sxi sxs sxt sxu t-x tcc tci tcs tct tcu tcx tic tii tis tit tiu tix tsc tsi tss tst tsu tsx ttc tti tts ttt ttu ttx tuc tui tus tut tuu tux txi txs txt txu ucc uci ucs uct ucu uic uii uis uit uiu usc usi uss ust usu usx utc uti uts utt utu utx uuc uus uut uuu uxc uxt uxu xci xcx xic xii xis xit xiu xix xsc xsi xss xst xtc xti xts xtx xui xus xxi xxx