-ey a-a a-b aaa aab aae aag aaj aak aao aay ab- aba abb abe abg abj abk abo aby aea aeb aee aeg aej aek aeo aey ag- aga agb age agg agj agk ago agy aja ajb aje ajj ajk ajo ajy aka akb ake akg akj akk ako aoa aob aoe aog aoj aok aoo ay- aya aye ayk ayo baa bab bae bag baj bak bao bay bba bbb bbe bbg bbk bbo bby be- bea beb bee beg bek beo bey bga bgb bge bgg bgk bgo bja bjg bjj bjk bka bkb bke bkg bkk bko boa bob boe bog boj bok boo boy by- bya bye byg byj byk byo eaa eab eae eag eaj eak eao eba ebb ebe ebg ebj ebk ebo eby eea eeb eee eeg eek eeo eey ega egb ege egg ego egy eja ejo eka ekb eke ekg eko eky eo- eoa eob eoe eog eok eoo eya eye eyo gaa gab gae gag gaj gak gao gay gba gbe gbg gbj gbk gbo gby ge- gea geb gee geg gek geo gey gga ggb ggg ggj ggo gja gje gjg gka gkb gko goa gob goe gog gok goo goy gy- gya gyb gye gyo jaa jab jae jag jaj jak jao jay jba jbg jbj jbk jbo jea jeb jee jeg jej jek jeo jey jga jgb jge jgo jja jjb jjg jjj jjk jjy jka jkb jkk jko joa job joe jog joj jok joo joy jyj ka- kaa kab kae kag kaj kak kao kay kba kbb kbe kbk kbo ke- kea keb kee keg kek keo key kga kgb kgo kgy kjb kje kkb kke kkk kky koa kob koe kog kok koo koy kya kye kyo oaa oab oae oag oaj oak oao ob- oba obb obe obg obj obk obo oby oea oeb oee oeg oeo oey oga oge ogg ogo ogy oja ojb oje ojo ojy oka okb oke okg okj okk oko oo- ooa oob oog ook ooo oya oye oyo yaa yab yae yag yak yao yay ybe ybg yby yea yeb yee yeg yek yeo yey yga ygo yka ykk yob yoe yog yoj yok yoo yoy yyb yye yyg yyy