-er -ey a-a a-b aaa aab aad aae aag aao aar aau aay ab- aba abb abd abe abg abo abr abu aby ad- ada adb add ade adg ado adr adu ady aea aeb aed aee aeg aeo aer aeu aey ag- aga agb agd age agg ago agr agu agy aoa aob aod aoe aog aoo aor aou ar- ara arb ard are arg aro arr aru ary au- aua aub aud aue aug auo aur ay- aya ayd aye ayo ayr ayu b-u baa bab bad bae bag bao bar bau bay bba bbb bbd bbe bbg bbo bbr bbu bby bda bdb bdd bde bdg bdo bdr bdu bdy be- bea beb bed bee beg beo ber beu bey bga bgb bgd bge bgg bgo bgr bgu boa bob bod boe bog boo bor bou boy bra brb brd bre brg bro brr bru bry bua bub bud bue bug buo bur buu buy by- bya byd bye byg byo byr byu daa dab dad dae dag dao dar dau day dba dbb dbd dbe dbg dbo dbr dbu dby dda ddb ddd dde ddg ddo ddr ddu ddy de- dea deb ded dee deg deo der deu dey dga dgd dge dgg dgr dgu doa dob dod doe dog doo dor dou doy dra drb drd dre drg dro drr dru dry dua dub dud due dug duo dur duy dy- dya dyb dyd dye dyo dyr dyu dyy eaa eab ead eae eag eao ear eau eba ebb ebd ebe ebg ebo ebr ebu eby ed- eda edb edd ede edg edo edr edu edy eea eeb eed eee eeg eeo eer eey ega egb egd ege egg ego egr egu egy eo- eoa eob eod eoe eog eoo eor eou era erb erd ere erg ero err eru ery eu- eua eub eud eue eug eur eya eyd eye eyo eyr g-d gaa gab gad gae gag gao gar gau gay gba gbd gbe gbg gbo gbr gbu gby gda gdb gdd gde gdo gdr gdu ge- gea geb ged gee geg geo ger geu gey gga ggb ggd ggg ggo ggr ggu goa gob god goe gog goo gor gou goy gra grb grd gre grg gro grr gru gry gu- gua gub gud gue gug guo gur guu guy gy- gya gyb gyd gye gyo gyr oaa oab oad oae oag oao oar oau ob- oba obb obd obe obg obo obr obu oby oda odb odd ode odg odo odr odu oea oeb oed oee oeg oeo oer oey oga ogd oge ogg ogo ogy oo- ooa oob ood oog ooo oor or- ora orb ord ore org oro orr oru ory ou- oua oud oue ouo our oya oyd oye oyo ra- raa rab rad rae rag rao rar rau ray rba rbb rbd rbe rbg rbo rbr rbu rda rdb rdd rde rdg rdo rdr rdu rdy re- rea reb red ree reg reo rer reu rey rga rgb rgd rge rgg rgo rgr roa rob rod roe rog roo ror rou roy rra rrb rrd rrg rrr rru rua rub rud rue rug ruo rur ruu ruy ry- rya ryd rye ryg ryo ryr ryu ryy ua- uaa uab uad uae uag uao uar uau uay uba ubb ube ubg ubo ubr ubu uby uda udb udd ude udg udo udr udu uea ueb ued uee ueg uer uey uga ugb uge ugg ugo ugr ugu uoa uob uod uoe uog uoo uor ur- ura urb urd ure urg uro urr uru ury uua uue uug uur uuu uyo uyu yaa yab yad yae yag yao yar yau yay ybe ybg ybr yby yda yde ydg ydo ydy yea yeb yed yee yeg yeo yer yey yga ygo yob yod yoe yog yoo yor you yoy yra yre yrg yro yru yua yud yue yug yuo yur yuu yuy yyb yye yyg yyu yyy