-ic c-- ccc cci ccl ccn ccr ccs cct ci- cic cii cil cin cir cis cit cl- clc cli cll cln clr cls clt cn- cnc cni cnl cnn cnr cns cnt crc cri crl crn crr crs crt csc csi csl csn csr css cst ctc cti ctl ctn ctr cts ctt icc ici icl icn icr ics ict iic iii iil iin iir iis iit il- ilc ili ill iln ilr ils ilt in- inc ini inl inn inr ins int ir- irc iri irl irn irr irs irt is- isc isi isl isn isr iss ist itc iti itl itn its itt lcc lci lcl lcn lcr lcs lct lic lii lil lin lir lis lit llc lli lll lln llr lls llt lnc lni lnl lnn lnr lns lnt lrc lri lrn lrr lrs lrt lsc lsi lsl lsn lsr lss lst ltc lti ltl ltr lts ltt n-i ncc nci ncl ncn ncr ncs nct nic nii nil nin nir nis nit nlc nli nll nln nlr nls nlt nnc nni nnl nnn nns nnt nrc nri nrl nrn nrr nrs nrt nsc nsi nsl nsn nsr nss nst ntc nti ntn ntr nts ntt rcc rci rcl rcn rcr rcs rct ric rii ril rin rir ris rit rlc rli rll rln rlr rls rlt rnc rni rnn rnr rns rnt rrc rri rrl rrn rrr rrs rrt rsc rsi rsl rsn rsr rss rst rtc rti rtl rtn rtr rts rtt scc sci scl scn scr scs sct sic sii sil sin sir sis sit slc sli sll sln slr sls slt snc sni snl snn snr sns snt sr- src sri srl srn srr srs srt ss- ssc ssi ssl ssn ssr sss sst stc sti stl stn str sts stt tcc tci tcl tcn tcr tcs tct tic tii til tin tir tis tit tlc tli tll tln tlr tls tlt tnc tni tnl tnn tnr tns tnt trc tri trl trn trr trs trt tsc tsi tsl tsn tsr tss tst ttc tti ttl ttn ttr tts ttt