-ic c-- ccc cci cco ccr ccs ccu ci- cic cii cio cir cis ciu co- coc coi coo cor cos cou crc cri cro crr crs cru csc csi cso csr css csu cuc cui cuo cur cus cuu icc ici ico icr ics icu iic iii iio iir iis iiu io- ioc ioi ioo ior ios iou ir- irc iri iro irr irs iru is- isc isi iso isr iss isu iu- iuc iui iur ius o-i oc- occ oci oco ocr ocs ocu oic oii oio oir ois oiu oo- ooc ooi ooo oor oos or- orc ori oro orr ors oru os- osc osi oso osr oss osu ou- ouc oui ouo our ous rcc rci rco rcr rcs rcu ric rii rio rir ris roc roi roo ror ros rou rrc rri rrr rrs rru rsc rsi rso rsr rss rsu ruc rui ruo rur rus ruu scc sci sco scr scs scu sic sii sio sir sis siu soc soi soo sor sos sou sr- src sri sro srr srs ss- ssc ssi sso ssr sss ssu suc sui suo sur sus suu ucc uci uco ucr ucs ucu uic uii uio uir uis uiu uoc uoo uor uos ur- urc uri uro urr urs uru usc usi uso usr uss usu uuc uur uus uuu