-er -ey -ic c-- ccc ccd cce ccf cci cco ccr cct cdc cdd cde cdf cdi cdo cdr cdt cdy ce- cec ced cee cef cei ceo cer cet cey cfc cfd cfe cff cfi cfo cfr cft ci- cic cid cie cif cii cio cir cit co- coc cod coe cof coi coo cor cot coy crc crd cre crf cri cro crr crt cry ctc ctd cte ctf cti cto ctr ctt cty cyc cyd cye cyf cyo cyr cyt dcc dcd dce dcf dci dco dcr dct ddc ddd dde ddf ddi ddo ddr ddt ddy de- dec ded dee def dei deo der det dey dfc dfd dfe dff dfi dfo dfr dft di- dic did die dif dii dio dir dit diy doc dod doe dof doi doo dor dot doy drc drd dre dri dro drr drt dry dtc dtd dte dtf dti dto dtr dtt dty dy- dyc dyd dye dyo dyr dyy ec- ecc ecd ece ecf eci eco ecr ect ed- edc edd ede edf edi edo edr edt edy eec eed eee eef eeo eer eet eey ef- efc efd efe eff efi efo efr eft eic eid eie eif eii eio eir eit eo- eoc eod eoe eof eoi eoo eor eot erc erd ere erf eri ero err ert ery etc etd ete etf eti eto etr ett ety eyc eyd eye eyo eyr eyt fcc fcd fce fcf fci fco fcr fct fcy fdc fdd fde fdf fdi fdo fdr fdt fec fed fee fef fei feo fer fet fey ffc ffd ffe fff ffi ffo ffr fft ffy fic fid fie fif fii fir fit foc foe fof foi foo for fot foy frc frd fre frf fri fro frr frt fry ftc ftd fte ftf fti fto ftr ftt fty fy- fyc fye fyi fyo i-d i-f icc icd ice icf ici ico icr ict icy idc idd ide idf idi ido idr idt idy ie- iec ied iee ief iei ier iet iey ifc ifd ife iff ifi ifo ifr ift ify iic iid iie iif iii iio iir iit io- ioc iod ioe iof ioi ioo ior iot ir- irc ird ire irf iri iro irr irt iry itc itd ite itf iti ito itt ity iyc iye iyo iyr iyt iyy o-i oc- occ ocd ocf oci oco ocr oct odc odd ode odf odi odo odr odt oec oed oee oef oei oeo oer oet oey of- ofc ofd ofe off ofi ofo ofr oft oic oid oie oif oii oio oir oit oo- ooc ood oof ooi ooo oor oot or- orc ord ore orf ori oro orr ort ory ot- otc otd ote otf oti oto otr ott oyd oye oyi oyo rcc rcd rce rcf rci rco rcr rct rdc rdd rde rdf rdi rdo rdr rdt rdy re- rec red ree ref rei reo rer ret rey rfc rfd rfe rff rfi rfo rfr rft ric rid rie rif rii rio rir rit riy roc rod roe rof roi roo ror rot roy rrc rrd rrf rri rrr rrt rtc rtd rte rtf rti rto rtr rtt rty ry- ryc ryd rye ryf ryo ryr ryy tcc tcd tce tcf tci tco tcr tct tdc tdd tde tdf tdi tdo tdr tdt tdy te- tec ted tee tef tei teo ter tet tey tfc tfd tfe tff tfi tfo tfr tft tic tid tie tif tii tio tir tit tiy to- toc tod toe tof toi too tor tot toy trc trd tre trf tri tro trr trt try ttc ttd tte ttf tti tto ttr ttt tty tyc tyd tye tyf tyo tyr tyt ycc ycd yce ycf yci yco ycy yde ydo ydt ydy yec yed yee yef yei yeo yer yet yey yfc yfd yfe yff yfr yft yid yie yif yii yio yir yit yoc yod yoe yof yoi yoo yor yot yoy yrc yre yrf yro yrt ytc ytd yte ytf yto ytr ytt yyc yye yyf yyt yyy