-ic c-- ccc ccg cci ccl ccr ccs cgc cgg cgi cgl cgr cgs ci- cic cig cii cil cir cis cl- clc clg cli cll clr cls crc crg cri crl crr crs csc csg csi csl csr css gcc gcg gci gcl gcr gcs ggc ggg ggi ggr ggs gic gig gii gil gir gis glc glg gli gll glr gls grc grg gri grl grr grs gsc gsg gsi gsl gsr gss icc icg ici icl icr ics igc igg igi igl igr igs iic iii iil iir iis il- ilc ilg ili ill ilr ils ir- irc irg iri irl irr irs is- isc isg isi isl isr iss lcc lcg lci lcl lcr lcs lgc lgg lgi lgl lgr lgs lic lig lii lil lir lis llc llg lli lll llr lls lrc lrg lri lrr lrs lsc lsg lsi lsl lsr lss rcc rcg rci rcl rcr rcs rgc rgg rgi rgr rgs ric rig rii ril rir ris rlc rlg rli rll rlr rls rrc rrg rri rrl rrr rrs rsc rsg rsi rsl rsr rss scc scg sci scl scr scs sgc sgg sgi sgl sgr sgs sic sig sii sil sir sis slc slg sli sll slr sls sr- src srg sri srl srr srs ss- ssc ssg ssi ssl ssr sss