-er -ey -ic c-- ccc ccd cce cci ccr ccu cdc cdd cde cdi cdr cdu cdy ce- cec ced cee cei cer ceu cey ci- cic cid cie cii cir ciu crc crd cre cri crr cru cry cuc cud cue cui cur cuu cuy cyc cyd cye cyr dcc dcd dce dci dcr dcu ddc ddd dde ddi ddr ddu ddy de- dec ded dee dei der deu dey di- dic did die dii dir diu diy drc drd dre dri drr dru dry duc dud due dui dur duy dy- dyc dyd dye dyr dyu dyy ec- ecc ecd ece eci ecr ecu ed- edc edd ede edi edr edu edy eec eed eee eer eey eic eid eie eii eir eiu erc erd ere eri err eru ery eu- euc eud eue eui eur eyc eyd eye eyr i-d icc icd ice ici icr icu icy idc idd ide idi idr idu idy ie- iec ied iee iei ier iey iic iid iie iii iir iiu ir- irc ird ire iri irr iru iry iu- iuc iud iue iui iur iyc iye iyr iyy rcc rcd rce rci rcr rcu rdc rdd rde rdi rdr rdu rdy re- rec red ree rei rer reu rey ric rid rie rii rir riy rrc rrd rri rrr rru ruc rud rue rui rur ruu ruy ry- ryc ryd rye ryr ryu ryy ucc ucd uce uci ucr ucu udc udd ude udi udr udu uec ued uee uei uer uey uic uid uie uii uir uiu ur- urc urd ure uri urr uru ury uuc uue uur uuu uyc uyi uyu ycc ycd yce yci ycu ycy yde ydy yec yed yee yei yer yey yid yie yii yir yrc yre yru yud yue yui yur yuu yuy yyc yye yyu yyy