-ic c-- ccc cci ccr ccs cct ccu ci- cic cii cir cis cit ciu crc cri crr crs crt cru cry csc csi csr css cst csu csy ctc cti ctr cts ctt ctu cty cuc cui cur cus cut cuu cuy cyc cyr cys cyt icc ici icr ics ict icu icy iic iii iir iis iit iiu ir- irc iri irr irs irt iru iry is- isc isi isr iss ist isu isy itc iti its itt itu ity iu- iuc iui iur ius iut iyc iyr iys iyt iyy rcc rci rcr rcs rct rcu ric rii rir ris rit riy rrc rri rrr rrs rrt rru rsc rsi rsr rss rst rsu rtc rti rtr rts rtt rtu rty ruc rui rur rus rut ruu ruy ry- ryc ryr rys ryu ryy scc sci scr scs sct scu sic sii sir sis sit siu sr- src sri srr srs srt sry ss- ssc ssi ssr sss sst ssu stc sti str sts stt stu sty suc sui sur sus sut suu suy sy- syc syi syr sys syt syu tcc tci tcr tcs tct tcu tic tii tir tis tit tiu tiy trc tri trr trs trt tru try tsc tsi tsr tss tst tsu tsy ttc tti ttr tts ttt ttu tty tuc tui tur tus tut tuu tuy tyc tyr tys tyt ucc uci ucr ucs uct ucu uic uii uir uis uit uiu ur- urc uri urr urs urt uru ury usc usi usr uss ust usu utc uti utr uts utt utu uty uuc uur uus uut uuu uyc uyi uys uyu ycc yci ycs ycu ycy yii yir yis yit yrc yrs yrt yru ysc ysi ysr yss yst ysu ysy ytc ytr yts ytt ytu yui yur yus yut yuu yuy yyc yys yyt yyu yyy