-er -ey ddd dde ddi ddo ddr ddt ddy de- ded dee dei deo der det dey di- did die dii dio dir dit diy dod doe doi doo dor dot doy drd dre dri dro drr drt dry dtd dte dti dto dtr dtt dty dy- dyd dye dyo dyr dyy ed- edd ede edi edo edr edt edy eed eee eeo eer eet eey eid eie eii eio eir eit eo- eod eoe eoi eoo eor eot erd ere eri ero err ert ery etd ete eti eto etr ett ety eyd eye eyo eyr eyt i-d idd ide idi ido idr idt idy ie- ied iee iei ier iet iey iid iie iii iio iir iit io- iod ioe ioi ioo ior iot ir- ird ire iri iro irr irt iry itd ite iti ito itt ity iye iyo iyr iyt iyy o-i odd ode odi odo odr odt oed oee oei oeo oer oet oey oid oie oii oio oir oit oo- ood ooi ooo oor oot or- ord ore ori oro orr ort ory ot- otd ote oti oto otr ott oyd oye oyi oyo rdd rde rdi rdo rdr rdt rdy re- red ree rei reo rer ret rey rid rie rii rio rir rit riy rod roe roi roo ror rot roy rrd rri rrr rrt rtd rte rti rto rtr rtt rty ry- ryd rye ryo ryr ryy tdd tde tdi tdo tdr tdt tdy te- ted tee tei teo ter tet tey tid tie tii tio tir tit tiy to- tod toe toi too tor tot toy trd tre tri tro trr trt try ttd tte tti tto ttr ttt tty tyd tye tyo tyr tyt yde ydo ydt ydy yed yee yei yeo yer yet yey yid yie yii yio yir yit yod yoe yoi yoo yor yot yoy yre yro yrt ytd yte yto ytr ytt yye yyt yyy