-er -ey a-a aaa aad aae aaf aao aar aay ad- ada add ade adf ado adr ady aea aed aee aef aeo aer aey af- afa afd afe aff afo afr afy aoa aod aoe aof aoo aor ar- ara ard are arf aro arr ary ay- aya ayd aye ayf ayo ayr daa dad dae daf dao dar day dda ddd dde ddf ddo ddr ddy de- dea ded dee def deo der dey dfa dfd dfe dff dfo dfr doa dod doe dof doo dor doy dra drd dre dro drr dry dy- dya dyd dye dyo dyr dyy eaa ead eae eaf eao ear ed- eda edd ede edf edo edr edy eea eed eee eef eeo eer eey ef- efa efd efe eff efo efr eo- eoa eod eoe eof eoo eor era erd ere erf ero err ery eya eyd eye eyo eyr faa fad fae faf fao far fay fda fdd fde fdf fdo fdr fea fed fee fef feo fer fey ffa ffd ffe fff ffo ffr ffy foa foe fof foo for foy fra frd fre frf fro frr fry fy- fya fye fyo oaa oad oae oaf oao oar oda odd ode odf odo odr oea oed oee oef oeo oer oey of- ofa ofd ofe off ofo ofr oo- ooa ood oof ooo oor or- ora ord ore orf oro orr ory oya oyd oye oyo ra- raa rad rae raf rao rar ray rda rdd rde rdf rdo rdr rdy re- rea red ree ref reo rer rey rfa rfd rfe rff rfo rfr roa rod roe rof roo ror roy rra rrd rrf rrr ry- rya ryd rye ryf ryo ryr ryy yaa yad yae yaf yao yar yay yda yde ydo ydy yea yed yee yef yeo yer yey yfa yfd yfe yff yfr yod yoe yof yoo yor yoy yra yre yrf yro yye yyf yyy