-er -ey a-a a-t aaa aad aae aao aar aat aau aay ad- ada add ade ado adr adt adu ady aea aed aee aeo aer aet aeu aey aoa aod aoe aoo aor aot aou ar- ara ard are aro arr art aru ary at- ata atd ate ato atr att atu au- aua aud aue auo aur aut ay- aya ayd aye ayo ayr ayt ayu daa dad dae dao dar dat dau day dda ddd dde ddo ddr ddt ddu ddy de- dea ded dee deo der det deu dey doa dod doe doo dor dot dou doy dra drd dre dro drr drt dru dry dta dtd dte dto dtr dtt dtu dty dua dud due duo dur dut duy dy- dya dyd dye dyo dyr dyu dyy eaa ead eae eao ear eat eau ed- eda edd ede edo edr edt edu edy eea eed eee eeo eer eet eey eo- eoa eod eoe eoo eor eot eou era erd ere ero err ert eru ery eta etd ete eto etr ett etu ety eu- eua eud eue eur eut eya eyd eye eyo eyr eyt oaa oad oae oao oar oat oau oda odd ode odo odr odt odu oea oed oee oeo oer oet oey oo- ooa ood ooo oor oot or- ora ord ore oro orr ort oru ory ot- ota otd ote oto otr ott otu ou- oua oud oue ouo our out oya oyd oye oyo ra- raa rad rae rao rar rat rau ray rda rdd rde rdo rdr rdt rdu rdy re- rea red ree reo rer ret reu rey roa rod roe roo ror rot rou roy rra rrd rrr rrt rru rta rtd rte rto rtr rtt rtu rty rua rud rue ruo rur rut ruu ruy ry- rya ryd rye ryo ryr ryu ryy taa tad tae tao tar tat tau tay tda tdd tde tdo tdr tdt tdu tdy te- tea ted tee teo ter tet teu tey to- toa tod toe too tor tot tou toy tra trd tre tro trr trt tru try tta ttd tte tto ttr ttt ttu tty tua tud tue tuo tur tut tuu tuy tya tyd tye tyo tyr tyt ua- uaa uad uae uao uar uat uau uay uda udd ude udo udr udt udu uea ued uee uer uet uey uoa uod uoe uoo uor uot ur- ura urd ure uro urr urt uru ury uta utd ute uto utr utt utu uty uua uue uur uut uuu uyo uyu yaa yad yae yao yar yat yau yay yda yde ydo ydt ydy yea yed yee yeo yer yet yey yod yoe yoo yor yot you yoy yra yre yro yrt yru yta ytd yte yto ytr ytt ytu yua yud yue yuo yur yut yuu yuy yye yyt yyu yyy