-er -ey a-a a-b aaa aab aae aag aaj aao aar aay ab- aba abb abe abg abj abo abr aby aea aeb aee aeg aej aeo aer aey ag- aga agb age agg agj ago agr agy aja ajb aje ajj ajo ajr ajy aoa aob aoe aog aoj aoo aor ar- ara arb are arg arj aro arr ary ay- aya aye ayo ayr baa bab bae bag baj bao bar bay bba bbb bbe bbg bbo bbr bby be- bea beb bee beg beo ber bey bga bgb bge bgg bgo bgr bja bjg bjj bjr boa bob boe bog boj boo bor boy bra brb bre brg brj bro brr bry by- bya bye byg byj byo byr eaa eab eae eag eaj eao ear eba ebb ebe ebg ebj ebo ebr eby eea eeb eee eeg eeo eer eey ega egb ege egg ego egr egy eja ejo eo- eoa eob eoe eog eoo eor era erb ere erg ero err ery eya eye eyo eyr gaa gab gae gag gaj gao gar gay gba gbe gbg gbj gbo gbr gby ge- gea geb gee geg geo ger gey gga ggb ggg ggj ggo ggr gja gje gjg gjr goa gob goe gog goo gor goy gra grb gre grg grj gro grr gry gy- gya gyb gye gyo gyr jaa jab jae jag jaj jao jar jay jba jbg jbj jbo jbr jea jeb jee jeg jej jeo jer jey jga jgb jge jgo jgr jja jjb jjg jjj jjr jjy joa job joe jog joj joo jor joy jra jrb jrg jro jrr jyj jyr oaa oab oae oag oaj oao oar ob- oba obb obe obg obj obo obr oby oea oeb oee oeg oeo oer oey oga oge ogg ogo ogy oja ojb oje ojo ojy oo- ooa oob oog ooo oor or- ora orb ore org oro orr ory oya oye oyo ra- raa rab rae rag raj rao rar ray rba rbb rbe rbg rbo rbr re- rea reb ree reg reo rer rey rga rgb rge rgg rgo rgr rja rjg rjr roa rob roe rog roj roo ror roy rra rrb rrg rrr ry- rya rye ryg ryo ryr ryy yaa yab yae yag yao yar yay ybe ybg ybr yby yea yeb yee yeg yeo yer yey yga ygo yob yoe yog yoj yoo yor yoy yra yre yrg yro yyb yye yyg yyy