-er -ey ddd dde ddi ddr dds ddu ddy de- ded dee dei der des deu dey di- did die dii dir dis diu diy drd dre dri drr drs dru dry dsd dse dsi dsr dss dsu dsy dud due dui dur dus duy dy- dyd dye dyr dys dyu dyy ed- edd ede edi edr eds edu edy eed eee eer ees eey eid eie eii eir eis eiu erd ere eri err ers eru ery es- esd ese esi esr ess esu esy eu- eud eue eui eur eus eyd eye eyr eys i-d idd ide idi idr ids idu idy ie- ied iee iei ier ies iey iid iie iii iir iis iiu ir- ird ire iri irr irs iru iry is- isd ise isi isr iss isu isy iu- iud iue iui iur ius iye iyr iys iyy rdd rde rdi rdr rds rdu rdy re- red ree rei rer res reu rey rid rie rii rir ris riy rrd rri rrr rrs rru rsd rse rsi rsr rss rsu rud rue rui rur rus ruu ruy ry- ryd rye ryr rys ryu ryy sdd sde sdi sdr sds sdu sdy se- sed see sei ser ses seu sey sid sie sii sir sis siu sr- srd sre sri srr srs sry ss- ssd sse ssi ssr sss ssu sud sue sui sur sus suu suy sy- syd sye syi syr sys syu udd ude udi udr uds udu ued uee uei uer ues uey uid uie uii uir uis uiu ur- urd ure uri urr urs uru ury usd use usi usr uss usu uue uur uus uuu uyi uys uyu yde yds ydy yed yee yei yer yes yey yid yie yii yir yis yre yrs yru yse ysi ysr yss ysu ysy yud yue yui yur yus yuu yuy yye yys yyu yyy