-er -ey ddd dde ddi ddo ddr dds ddt ddy de- ded dee dei deo der des det dey di- did die dii dio dir dis dit diy dod doe doi doo dor dos dot doy drd dre dri dro drr drs drt dry dsd dse dsi dso dsr dss dst dsy dtd dte dti dto dtr dts dtt dty dy- dyd dye dyo dyr dys dyy ed- edd ede edi edo edr eds edt edy eed eee eeo eer ees eet eey eid eie eii eio eir eis eit eo- eod eoe eoi eoo eor eos eot erd ere eri ero err ers ert ery es- esd ese esi eso esr ess est esy etd ete eti eto etr ets ett ety eyd eye eyo eyr eys eyt i-d idd ide idi ido idr ids idt idy ie- ied iee iei ier ies iet iey iid iie iii iio iir iis iit io- iod ioe ioi ioo ior ios iot ir- ird ire iri iro irr irs irt iry is- isd ise isi iso isr iss ist isy itd ite iti ito its itt ity iye iyo iyr iys iyt iyy o-i odd ode odi odo odr ods odt oed oee oei oeo oer oes oet oey oid oie oii oio oir ois oit oo- ood ooi ooo oor oos oot or- ord ore ori oro orr ors ort ory os- osd ose osi oso osr oss ost ot- otd ote oti oto otr ots ott oyd oye oyi oyo oys rdd rde rdi rdo rdr rds rdt rdy re- red ree rei reo rer res ret rey rid rie rii rio rir ris rit riy rod roe roi roo ror ros rot roy rrd rri rrr rrs rrt rsd rse rsi rso rsr rss rst rtd rte rti rto rtr rts rtt rty ry- ryd rye ryo ryr rys ryy sdd sde sdi sdo sdr sds sdt sdy se- sed see sei seo ser ses set sey sid sie sii sio sir sis sit sod soe soi soo sor sos sot soy sr- srd sre sri sro srr srs srt sry ss- ssd sse ssi sso ssr sss sst std ste sti sto str sts stt sty sy- syd sye syi syr sys syt tdd tde tdi tdo tdr tds tdt tdy te- ted tee tei teo ter tes tet tey tid tie tii tio tir tis tit tiy to- tod toe toi too tor tos tot toy trd tre tri tro trr trs trt try tsd tse tsi tso tsr tss tst tsy ttd tte tti tto ttr tts ttt tty tyd tye tyo tyr tys tyt yde ydo yds ydt ydy yed yee yei yeo yer yes yet yey yid yie yii yio yir yis yit yod yoe yoi yoo yor yos yot yoy yre yro yrs yrt yse ysi yso ysr yss yst ysy ytd yte yto ytr yts ytt yye yys yyt yyy