-er -ey ddd dde ddf ddi ddo ddr ddu ddy de- ded dee def dei deo der deu dey dfd dfe dff dfi dfo dfr dfu di- did die dif dii dio dir diu diy dod doe dof doi doo dor dou doy drd dre dri dro drr dru dry dud due duf dui duo dur duy dy- dyd dye dyo dyr dyu dyy ed- edd ede edf edi edo edr edu edy eed eee eef eeo eer eey ef- efd efe eff efi efo efr eid eie eif eii eio eir eiu eo- eod eoe eof eoi eoo eor eou erd ere erf eri ero err eru ery eu- eud eue euf eui eur eyd eye eyo eyr fdd fde fdf fdi fdo fdr fdu fed fee fef fei feo fer feu fey ffd ffe fff ffi ffo ffr ffu ffy fid fie fif fii fir fiu foe fof foi foo for fou foy frd fre frf fri fro frr fru fry fud fue fuf fui fuo fur fuu fy- fye fyi fyo i-d i-f idd ide idf idi ido idr idu idy ie- ied iee ief iei ier iey ifd ife iff ifi ifo ifr ifu ify iid iie iif iii iio iir iiu io- iod ioe iof ioi ioo ior iou ir- ird ire irf iri iro irr iru iry iu- iud iue iui iur iye iyo iyr iyy o-i odd ode odf odi odo odr odu oed oee oef oei oeo oer oey of- ofd ofe off ofi ofo ofr ofu oid oie oif oii oio oir oiu oo- ood oof ooi ooo oor or- ord ore orf ori oro orr oru ory ou- oud oue ouf oui ouo our oyd oye oyi oyo rdd rde rdf rdi rdo rdr rdu rdy re- red ree ref rei reo rer reu rey rfd rfe rff rfi rfo rfr rfu rid rie rif rii rio rir riy rod roe rof roi roo ror rou roy rrd rrf rri rrr rru rud rue ruf rui ruo rur ruu ruy ry- ryd rye ryf ryo ryr ryu ryy udd ude udf udi udo udr udu ued uee uef uei uer uey ufd ufe uff ufi ufo ufr ufu uid uie uif uii uio uir uiu uod uoe uoo uor ur- urd ure urf uri uro urr uru ury uue uur uuu uyi uyo uyu yde ydo ydy yed yee yef yei yeo yer yey yfd yfe yff yfr yfu yid yie yif yii yio yir yod yoe yof yoi yoo yor you yoy yre yrf yro yru yud yue yui yuo yur yuu yuy yye yyf yyu yyy