-er -ey a-a aaa aad aae aao aar aau aax aay ad- ada add ade ado adr adu adx ady aea aed aee aeo aer aeu aex aey aoa aod aoe aoo aor aou aox ar- ara ard are aro arr aru arx ary au- aua aud aue auo aur aux ax- axa axe axo axr axx ay- aya ayd aye ayo ayr ayu ayx daa dad dae dao dar dau dax day dda ddd dde ddo ddr ddu ddx ddy de- dea ded dee deo der deu dex dey doa dod doe doo dor dou dox doy dra drd dre dro drr dru drx dry dua dud due duo dur dux duy dxd dxo dxr dxx dy- dya dyd dye dyo dyr dyu dyy eaa ead eae eao ear eau eax ed- eda edd ede edo edr edu edx edy eea eed eee eeo eer eex eey eo- eoa eod eoe eoo eor eou era erd ere ero err eru ery eu- eua eud eue eur eux ex- exa exd exe exo exr exu exx exy eya eyd eye eyo eyr oaa oad oae oao oar oau oax oda odd ode odo odr odu oea oed oee oeo oer oex oey oo- ooa ood ooo oor oox or- ora ord ore oro orr oru orx ory ou- oua oud oue ouo our ox- oxa oxo oxx oxy oya oyd oye oyo ra- raa rad rae rao rar rau rax ray rda rdd rde rdo rdr rdu rdx rdy re- rea red ree reo rer reu rex rey roa rod roe roo ror rou rox roy rra rrd rrr rru rua rud rue ruo rur ruu rux ruy rxr ry- rya ryd rye ryo ryr ryu ryy ua- uaa uad uae uao uar uau uay uda udd ude udo udr udu udx uea ued uee uer uey uoa uod uoe uoo uor uox ur- ura urd ure uro urr uru urx ury uua uue uur uuu uxo uxr uxu uyo uyu xaa xad xar xau xda xde xdr xed xee xer xeu xex xoa xod xoo xor xox xrd xrx xry xue xxo xxx xxy xyr xyy yaa yad yae yao yar yau yax yay yda yde ydo ydy yea yed yee yeo yer yex yey yod yoe yoo yor you yox yoy yra yre yro yru yua yud yue yuo yur yuu yux yuy yxa yxe yxy yye yyu yyy