-ic -ol c-- ccc cci ccl cco ccr ccs ci- cic cii cil cio cir cis cl- clc cli cll clo clr cls co- coc coi col coo cor cos crc cri crl cro crr crs csc csi csl cso csr css icc ici icl ico icr ics iic iii iil iio iir iis il- ilc ili ill ilo ilr ils io- ioc ioi iol ioo ior ios ir- irc iri irl iro irr irs is- isc isi isl iso isr iss lcc lci lcl lco lcr lcs lic lii lil lio lir lis llc lli lll llo llr lls loc loi lol loo lor los lrc lri lro lrr lrs lsc lsi lsl lso lsr lss o-i oc- occ oci ocl oco ocr ocs oic oii oil oio oir ois olc oli oll olo ols oo- ooc ooi ool ooo oor oos or- orc ori orl oro orr ors os- osc osi osl oso osr oss rcc rci rcl rco rcr rcs ric rii ril rio rir ris rlc rli rll rlo rlr rls roc roi rol roo ror ros rrc rri rrl rrr rrs rsc rsi rsl rso rsr rss scc sci scl sco scr scs sic sii sil sio sir sis slc sli sll slo slr sls soc soi sol soo sor sos sr- src sri srl sro srr srs ss- ssc ssi ssl sso ssr sss