-er -ey -ic c-- ccc ccd cce ccf cci ccr ccu cdc cdd cde cdf cdi cdr cdu cdy ce- cec ced cee cef cei cer ceu cey cfc cfd cfe cff cfi cfr cfu ci- cic cid cie cif cii cir ciu crc crd cre crf cri crr cru cry cuc cud cue cuf cui cur cuu cuy cyc cyd cye cyf cyr dcc dcd dce dcf dci dcr dcu ddc ddd dde ddf ddi ddr ddu ddy de- dec ded dee def dei der deu dey dfc dfd dfe dff dfi dfr dfu di- dic did die dif dii dir diu diy drc drd dre dri drr dru dry duc dud due duf dui dur duy dy- dyc dyd dye dyr dyu dyy ec- ecc ecd ece ecf eci ecr ecu ed- edc edd ede edf edi edr edu edy eec eed eee eef eer eey ef- efc efd efe eff efi efr eic eid eie eif eii eir eiu erc erd ere erf eri err eru ery eu- euc eud eue euf eui eur eyc eyd eye eyr fcc fcd fce fcf fci fcr fcu fcy fdc fdd fde fdf fdi fdr fdu fec fed fee fef fei fer feu fey ffc ffd ffe fff ffi ffr ffu ffy fic fid fie fif fii fir fiu frc frd fre frf fri frr fru fry fud fue fuf fui fur fuu fy- fyc fye fyi i-d i-f icc icd ice icf ici icr icu icy idc idd ide idf idi idr idu idy ie- iec ied iee ief iei ier iey ifc ifd ife iff ifi ifr ifu ify iic iid iie iif iii iir iiu ir- irc ird ire irf iri irr iru iry iu- iuc iud iue iui iur iyc iye iyr iyy rcc rcd rce rcf rci rcr rcu rdc rdd rde rdf rdi rdr rdu rdy re- rec red ree ref rei rer reu rey rfc rfd rfe rff rfi rfr rfu ric rid rie rif rii rir riy rrc rrd rrf rri rrr rru ruc rud rue ruf rui rur ruu ruy ry- ryc ryd rye ryf ryr ryu ryy ucc ucd uce ucf uci ucr ucu udc udd ude udf udi udr udu uec ued uee uef uei uer uey ufc ufd ufe uff ufi ufr ufu uic uid uie uif uii uir uiu ur- urc urd ure urf uri urr uru ury uuc uue uur uuu uyc uyi uyu ycc ycd yce ycf yci ycu ycy yde ydy yec yed yee yef yei yer yey yfc yfd yfe yff yfr yfu yid yie yif yii yir yrc yre yrf yru yud yue yui yur yuu yuy yyc yye yyf yyu yyy