-er -ey ddd dde ddf ddi ddo ddr dds ddt ddy de- ded dee def dei deo der des det dey dfd dfe dff dfi dfo dfr dfs dft di- did die dif dii dio dir dis dit diy dod doe dof doi doo dor dos dot doy drd dre dri dro drr drs drt dry dsd dse dsf dsi dso dsr dss dst dsy dtd dte dtf dti dto dtr dts dtt dty dy- dyd dye dyo dyr dys dyy ed- edd ede edf edi edo edr eds edt edy eed eee eef eeo eer ees eet eey ef- efd efe eff efi efo efr efs eft eid eie eif eii eio eir eis eit eo- eod eoe eof eoi eoo eor eos eot erd ere erf eri ero err ers ert ery es- esd ese esf esi eso esr ess est esy etd ete etf eti eto etr ets ett ety eyd eye eyo eyr eys eyt fdd fde fdf fdi fdo fdr fds fdt fed fee fef fei feo fer fes fet fey ffd ffe fff ffi ffo ffr ffs fft ffy fid fie fif fii fir fis fit foe fof foi foo for fos fot foy frd fre frf fri fro frr frs frt fry fsd fse fsf fsi fso fsr fss fst ftd fte ftf fti fto ftr fts ftt fty fy- fye fyi fyo i-d i-f idd ide idf idi ido idr ids idt idy ie- ied iee ief iei ier ies iet iey ifd ife iff ifi ifo ifr ifs ift ify iid iie iif iii iio iir iis iit io- iod ioe iof ioi ioo ior ios iot ir- ird ire irf iri iro irr irs irt iry is- isd ise isf isi iso isr iss ist isy itd ite itf iti ito its itt ity iye iyo iyr iys iyt iyy o-i odd ode odf odi odo odr ods odt oed oee oef oei oeo oer oes oet oey of- ofd ofe off ofi ofo ofr ofs oft oid oie oif oii oio oir ois oit oo- ood oof ooi ooo oor oos oot or- ord ore orf ori oro orr ors ort ory os- osd ose osf osi oso osr oss ost ot- otd ote otf oti oto otr ots ott oyd oye oyi oyo oys rdd rde rdf rdi rdo rdr rds rdt rdy re- red ree ref rei reo rer res ret rey rfd rfe rff rfi rfo rfr rfs rft rid rie rif rii rio rir ris rit riy rod roe rof roi roo ror ros rot roy rrd rrf rri rrr rrs rrt rsd rse rsf rsi rso rsr rss rst rtd rte rtf rti rto rtr rts rtt rty ry- ryd rye ryf ryo ryr rys ryy sdd sde sdf sdi sdo sdr sds sdt sdy se- sed see sef sei seo ser ses set sey sfd sfe sff sfi sfo sfr sfs sft sid sie sif sii sio sir sis sit sod soe sof soi soo sor sos sot soy sr- srd sre srf sri sro srr srs srt sry ss- ssd sse ssf ssi sso ssr sss sst std ste stf sti sto str sts stt sty sy- syd sye syi syr sys syt tdd tde tdf tdi tdo tdr tds tdt tdy te- ted tee tef tei teo ter tes tet tey tfd tfe tff tfi tfo tfr tfs tft tid tie tif tii tio tir tis tit tiy to- tod toe tof toi too tor tos tot toy trd tre trf tri tro trr trs trt try tsd tse tsf tsi tso tsr tss tst tsy ttd tte ttf tti tto ttr tts ttt tty tyd tye tyf tyo tyr tys tyt yde ydo yds ydt ydy yed yee yef yei yeo yer yes yet yey yfd yfe yff yfr yfs yft yid yie yif yii yio yir yis yit yod yoe yof yoi yoo yor yos yot yoy yre yrf yro yrs yrt yse ysi yso ysr yss yst ysy ytd yte ytf yto ytr yts ytt yye yyf yys yyt yyy