-ic c-- ccc ccd cci ccr ccs ccu cdc cdd cdi cdr cds cdu cdy ci- cic cid cii cir cis ciu crc crd cri crr crs cru cry csc csd csi csr css csu csy cuc cud cui cur cus cuu cuy cyc cyd cyr cys dcc dcd dci dcr dcs dcu ddc ddd ddi ddr dds ddu ddy di- dic did dii dir dis diu diy drc drd dri drr drs dru dry dsc dsd dsi dsr dss dsu dsy duc dud dui dur dus duy dy- dyc dyd dyr dys dyu dyy i-d icc icd ici icr ics icu icy idc idd idi idr ids idu idy iic iid iii iir iis iiu ir- irc ird iri irr irs iru iry is- isc isd isi isr iss isu isy iu- iuc iud iui iur ius iyc iyr iys iyy rcc rcd rci rcr rcs rcu rdc rdd rdi rdr rds rdu rdy ric rid rii rir ris riy rrc rrd rri rrr rrs rru rsc rsd rsi rsr rss rsu ruc rud rui rur rus ruu ruy ry- ryc ryd ryr rys ryu ryy scc scd sci scr scs scu sdc sdd sdi sdr sds sdu sdy sic sid sii sir sis siu sr- src srd sri srr srs sry ss- ssc ssd ssi ssr sss ssu suc sud sui sur sus suu suy sy- syc syd syi syr sys syu ucc ucd uci ucr ucs ucu udc udd udi udr uds udu uic uid uii uir uis uiu ur- urc urd uri urr urs uru ury usc usd usi usr uss usu uuc uur uus uuu uyc uyi uys uyu ycc ycd yci ycs ycu ycy yds ydy yid yii yir yis yrc yrs yru ysc ysi ysr yss ysu ysy yud yui yur yus yuu yuy yyc yys yyu yyy