-er -ey a-a aaa aad aae aah aao aar aax aay ad- ada add ade adh ado adr adx ady aea aed aee aeh aeo aer aex aey aha ahd ahe ahh aho ahr ahx ahy aoa aod aoe aoh aoo aor aox ar- ara ard are arh aro arr arx ary ax- axa axe axh axo axr axx ay- aya ayd aye ayh ayo ayr ayx daa dad dae dah dao dar dax day dda ddd dde ddh ddo ddr ddx ddy de- dea ded dee deh deo der dex dey dh- dha dhd dhe dhh dho dhr doa dod doe doh doo dor dox doy dra drd dre dro drr drx dry dxd dxo dxr dxx dy- dya dyd dye dyo dyr dyy eaa ead eae eah eao ear eax ed- eda edd ede edh edo edr edx edy eea eed eee eeo eer eex eey eha ehd ehe ehh eho ehr eo- eoa eod eoe eoh eoo eor era erd ere erh ero err ery ex- exa exd exe exh exo exr exx exy eya eyd eye eyo eyr haa had hae hah hao har hax hay hda hdd hde hdh hdo hdr hdx hdy he- hea hed hee heh heo her hex hey hha hhd hhe hhh hho hhr hhy hoa hod hoe hoh hoo hor hox hoy hr- hra hrd hre hrh hro hrr hxd hy- hya hyd hye hyh hyo hyr hyy oaa oad oae oah oao oar oax oda odd ode odh odo odr oea oed oee oeh oeo oer oex oey oha ohd ohe ohh oho ohr oo- ooa ood ooh ooo oor oox or- ora ord ore orh oro orr orx ory ox- oxa oxo oxx oxy oya oyd oye oyo ra- raa rad rae rah rao rar rax ray rda rdd rde rdh rdo rdr rdx rdy re- rea red ree reh reo rer rex rey rh- rha rhd rhe rhh rho rhr roa rod roe roh roo ror rox roy rra rrd rrh rrr rxr ry- rya ryd rye ryo ryr ryy xaa xad xar xda xde xdh xdr xed xee xer xex xhd xoa xod xoo xor xox xrd xrx xry xxo xxx xxy xyr xyy yaa yad yae yah yao yar yax yay yda yde ydo ydy yea yed yee yeh yeo yer yex yey yha yhe yod yoe yoo yor yox yoy yra yre yro yxa yxe yxy yye yyy