-ic c-- ccc cci ccr ccs ccu ci- cic cii cir cis ciu crc cri crr crs cru cry csc csi csr css csu csy cuc cui cur cus cuu cuy cyc cyr cys icc ici icr ics icu icy iic iii iir iis iiu ir- irc iri irr irs iru iry is- isc isi isr iss isu isy iu- iuc iui iur ius iyc iyr iys iyy rcc rci rcr rcs rcu ric rii rir ris riy rrc rri rrr rrs rru rsc rsi rsr rss rsu ruc rui rur rus ruu ruy ry- ryc ryr rys ryu ryy scc sci scr scs scu sic sii sir sis siu sr- src sri srr srs sry ss- ssc ssi ssr sss ssu suc sui sur sus suu suy sy- syc syi syr sys syu ucc uci ucr ucs ucu uic uii uir uis uiu ur- urc uri urr urs uru ury usc usi usr uss usu uuc uur uus uuu uyc uyi uys uyu ycc yci ycs ycu ycy yii yir yis yrc yrs yru ysc ysi ysr yss ysu ysy yui yur yus yuu yuy yyc yys yyu yyy