-er -ey -ic c-- ccc ccd cce cci cco ccr cct cdc cdd cde cdi cdo cdr cdt cdy ce- cec ced cee cei ceo cer cet cey ci- cic cid cie cii cio cir cit co- coc cod coe coi coo cor cot coy crc crd cre cri cro crr crt cry ctc ctd cte cti cto ctr ctt cty cyc cyd cye cyo cyr cyt dcc dcd dce dci dco dcr dct ddc ddd dde ddi ddo ddr ddt ddy de- dec ded dee dei deo der det dey di- dic did die dii dio dir dit diy doc dod doe doi doo dor dot doy drc drd dre dri dro drr drt dry dtc dtd dte dti dto dtr dtt dty dy- dyc dyd dye dyo dyr dyy ec- ecc ecd ece eci eco ecr ect ed- edc edd ede edi edo edr edt edy eec eed eee eeo eer eet eey eic eid eie eii eio eir eit eo- eoc eod eoe eoi eoo eor eot erc erd ere eri ero err ert ery etc etd ete eti eto etr ett ety eyc eyd eye eyo eyr eyt i-d icc icd ice ici ico icr ict icy idc idd ide idi ido idr idt idy ie- iec ied iee iei ier iet iey iic iid iie iii iio iir iit io- ioc iod ioe ioi ioo ior iot ir- irc ird ire iri iro irr irt iry itc itd ite iti ito itt ity iyc iye iyo iyr iyt iyy o-i oc- occ ocd oci oco ocr oct odc odd ode odi odo odr odt oec oed oee oei oeo oer oet oey oic oid oie oii oio oir oit oo- ooc ood ooi ooo oor oot or- orc ord ore ori oro orr ort ory ot- otc otd ote oti oto otr ott oyd oye oyi oyo rcc rcd rce rci rco rcr rct rdc rdd rde rdi rdo rdr rdt rdy re- rec red ree rei reo rer ret rey ric rid rie rii rio rir rit riy roc rod roe roi roo ror rot roy rrc rrd rri rrr rrt rtc rtd rte rti rto rtr rtt rty ry- ryc ryd rye ryo ryr ryy tcc tcd tce tci tco tcr tct tdc tdd tde tdi tdo tdr tdt tdy te- tec ted tee tei teo ter tet tey tic tid tie tii tio tir tit tiy to- toc tod toe toi too tor tot toy trc trd tre tri tro trr trt try ttc ttd tte tti tto ttr ttt tty tyc tyd tye tyo tyr tyt ycc ycd yce yci yco ycy yde ydo ydt ydy yec yed yee yei yeo yer yet yey yid yie yii yio yir yit yoc yod yoe yoi yoo yor yot yoy yrc yre yro yrt ytc ytd yte yto ytr ytt yyc yye yyt yyy