-er -ey -ic c-- ccc cce cci ccr ccs ccu ce- cec cee cei cer ces ceu cey ci- cic cie cii cir cis ciu crc cre cri crr crs cru cry csc cse csi csr css csu csy cuc cue cui cur cus cuu cuy cyc cye cyr cys ec- ecc ece eci ecr ecs ecu eec eee eer ees eey eic eie eii eir eis eiu erc ere eri err ers eru ery es- esc ese esi esr ess esu esy eu- euc eue eui eur eus eyc eye eyr eys icc ice ici icr ics icu icy ie- iec iee iei ier ies iey iic iie iii iir iis iiu ir- irc ire iri irr irs iru iry is- isc ise isi isr iss isu isy iu- iuc iue iui iur ius iyc iye iyr iys iyy rcc rce rci rcr rcs rcu re- rec ree rei rer res reu rey ric rie rii rir ris riy rrc rri rrr rrs rru rsc rse rsi rsr rss rsu ruc rue rui rur rus ruu ruy ry- ryc rye ryr rys ryu ryy scc sce sci scr scs scu se- sec see sei ser ses seu sey sic sie sii sir sis siu sr- src sre sri srr srs sry ss- ssc sse ssi ssr sss ssu suc sue sui sur sus suu suy sy- syc sye syi syr sys syu ucc uce uci ucr ucs ucu uec uee uei uer ues uey uic uie uii uir uis uiu ur- urc ure uri urr urs uru ury usc use usi usr uss usu uuc uue uur uus uuu uyc uyi uys uyu ycc yce yci ycs ycu ycy yec yee yei yer yes yey yie yii yir yis yrc yre yrs yru ysc yse ysi ysr yss ysu ysy yue yui yur yus yuu yuy yyc yye yys yyu yyy