-ic c-- ccc cci ccl ccs cct ci- cic cii cil cis cit cl- clc cli cll cls clt csc csi csl css cst ctc cti ctl cts ctt icc ici icl ics ict iic iii iil iis iit il- ilc ili ill ils ilt is- isc isi isl iss ist itc iti itl its itt lcc lci lcl lcs lct lic lii lil lis lit llc lli lll lls llt lsc lsi lsl lss lst ltc lti ltl lts ltt scc sci scl scs sct sic sii sil sis sit slc sli sll sls slt ss- ssc ssi ssl sss sst stc sti stl sts stt tcc tci tcl tcs tct tic tii til tis tit tlc tli tll tls tlt tsc tsi tsl tss tst ttc tti ttl tts ttt