-er -ey -ic c-- ccc ccd cce ccg cci cco ccr cdc cdd cde cdg cdi cdo cdr cdy ce- cec ced cee ceg cei ceo cer cey cgc cgd cge cgg cgi cgo cgr cgy ci- cic cid cie cig cii cio cir co- coc cod coe cog coi coo cor coy crc crd cre crg cri cro crr cry cyc cyd cye cyg cyo cyr dcc dcd dce dcg dci dco dcr ddc ddd dde ddg ddi ddo ddr ddy de- dec ded dee deg dei deo der dey dgc dgd dge dgg dgi dgr di- dic did die dig dii dio dir diy doc dod doe dog doi doo dor doy drc drd dre drg dri dro drr dry dy- dyc dyd dye dyo dyr dyy ec- ecc ecd ece ecg eci eco ecr ed- edc edd ede edg edi edo edr edy eec eed eee eeg eeo eer eey egc egd ege egg egi ego egr egy eic eid eie eig eii eio eir eo- eoc eod eoe eog eoi eoo eor erc erd ere erg eri ero err ery eyc eyd eye eyo eyr g-d gcc gcd gce gcg gci gco gcr gdc gdd gde gdi gdo gdr ge- gec ged gee geg gei geo ger gey ggc ggd ggg ggi ggo ggr gic gid gie gig gii gio gir giy goc god goe gog goi goo gor goy grc grd gre grg gri gro grr gry gy- gyd gye gyo gyr i-d icc icd ice icg ici ico icr icy idc idd ide idg idi ido idr idy ie- iec ied iee ieg iei ier iey igc igd ige igg igi igo igr igy iic iid iie iii iio iir io- ioc iod ioe iog ioi ioo ior ir- irc ird ire irg iri iro irr iry iyc iye iyo iyr iyy o-i oc- occ ocd ocg oci oco ocr odc odd ode odg odi odo odr oec oed oee oeg oei oeo oer oey ogc ogd oge ogg ogi ogo ogy oic oid oie oii oio oir oo- ooc ood oog ooi ooo oor or- orc ord ore org ori oro orr ory oyd oye oyi oyo rcc rcd rce rcg rci rco rcr rdc rdd rde rdg rdi rdo rdr rdy re- rec red ree reg rei reo rer rey rgc rgd rge rgg rgi rgo rgr ric rid rie rig rii rio rir riy roc rod roe rog roi roo ror roy rrc rrd rrg rri rrr ry- ryc ryd rye ryg ryo ryr ryy ycc ycd yce yci yco ycy yde ydg ydo ydy yec yed yee yeg yei yeo yer yey ygc ygo yid yie yig yii yio yir yoc yod yoe yog yoi yoo yor yoy yrc yre yrg yro yyc yye yyg yyy