-er -ey ddd dde ddf ddi ddr dds ddt ddy de- ded dee def dei der des det dey dfd dfe dff dfi dfr dfs dft di- did die dif dii dir dis dit diy drd dre dri drr drs drt dry dsd dse dsf dsi dsr dss dst dsy dtd dte dtf dti dtr dts dtt dty dy- dyd dye dyr dys dyy ed- edd ede edf edi edr eds edt edy eed eee eef eer ees eet eey ef- efd efe eff efi efr efs eft eid eie eif eii eir eis eit erd ere erf eri err ers ert ery es- esd ese esf esi esr ess est esy etd ete etf eti etr ets ett ety eyd eye eyr eys eyt fdd fde fdf fdi fdr fds fdt fed fee fef fei fer fes fet fey ffd ffe fff ffi ffr ffs fft ffy fid fie fif fii fir fis fit frd fre frf fri frr frs frt fry fsd fse fsf fsi fsr fss fst ftd fte ftf fti ftr fts ftt fty fy- fye fyi i-d i-f idd ide idf idi idr ids idt idy ie- ied iee ief iei ier ies iet iey ifd ife iff ifi ifr ifs ift ify iid iie iif iii iir iis iit ir- ird ire irf iri irr irs irt iry is- isd ise isf isi isr iss ist isy itd ite itf iti its itt ity iye iyr iys iyt iyy rdd rde rdf rdi rdr rds rdt rdy re- red ree ref rei rer res ret rey rfd rfe rff rfi rfr rfs rft rid rie rif rii rir ris rit riy rrd rrf rri rrr rrs rrt rsd rse rsf rsi rsr rss rst rtd rte rtf rti rtr rts rtt rty ry- ryd rye ryf ryr rys ryy sdd sde sdf sdi sdr sds sdt sdy se- sed see sef sei ser ses set sey sfd sfe sff sfi sfr sfs sft sid sie sif sii sir sis sit sr- srd sre srf sri srr srs srt sry ss- ssd sse ssf ssi ssr sss sst std ste stf sti str sts stt sty sy- syd sye syi syr sys syt tdd tde tdf tdi tdr tds tdt tdy te- ted tee tef tei ter tes tet tey tfd tfe tff tfi tfr tfs tft tid tie tif tii tir tis tit tiy trd tre trf tri trr trs trt try tsd tse tsf tsi tsr tss tst tsy ttd tte ttf tti ttr tts ttt tty tyd tye tyf tyr tys tyt yde yds ydt ydy yed yee yef yei yer yes yet yey yfd yfe yff yfr yfs yft yid yie yif yii yir yis yit yre yrf yrs yrt yse ysi ysr yss yst ysy ytd yte ytf ytr yts ytt yye yyf yys yyt yyy