-ey a-a a-b aaa aab aad aae aag aan aao aay ab- aba abb abd abe abg abn abo aby ad- ada adb add ade adg adn ado ady aea aeb aed aee aeg aen aeo aey ag- aga agb agd age agg agn ago agy an- ana anb and ane ang ann ano any aoa aob aod aoe aog aon aoo ay- aya ayd aye ayn ayo baa bab bad bae bag ban bao bay bba bbb bbd bbe bbg bbn bbo bby bda bdb bdd bde bdg bdo bdy be- bea beb bed bee beg ben beo bey bga bgb bgd bge bgg bgn bgo bna bnb bnd bne bng bnn bno boa bob bod boe bog bon boo boy by- bya byd bye byg byn byo daa dab dad dae dag dan dao day dba dbb dbd dbe dbg dbn dbo dby dda ddb ddd dde ddg ddn ddo ddy de- dea deb ded dee deg den deo dey dga dgd dge dgg dgn dna dnb dnd dne dng dnn dno dny doa dob dod doe dog don doo doy dy- dya dyb dyd dye dyn dyo dyy eaa eab ead eae eag ean eao eba ebb ebd ebe ebg ebn ebo eby ed- eda edb edd ede edg edn edo edy eea eeb eed eee eeg een eeo eey ega egb egd ege egg egn ego egy en- ena enb end ene eng enn eno eny eo- eoa eob eod eoe eog eon eoo eya eyd eye eyn eyo g-d gaa gab gad gae gag gan gao gay gba gbd gbe gbg gbn gbo gby gda gdb gdd gde gdn gdo ge- gea geb ged gee geg gen geo gey gga ggb ggd ggg ggn ggo gna gnb gnd gne gnn gno goa gob god goe gog gon goo goy gy- gya gyb gyd gye gyn gyo naa nab nad nae nag nan nao nay nba nbb nbd nbe nbg nbn nbo nda ndb ndd nde ndg ndn ndo ndy ne- nea neb ned nee neg nen neo ney nga ngb ngd nge ngg ngn ngo nna nnb nne nng nnn nno no- noa nob nod noe nog non noo noy nya nyd nye nyg nyn nyo nyy oaa oab oad oae oag oan oao ob- oba obb obd obe obg obn obo oby oda odb odd ode odg odn odo oea oeb oed oee oeg oen oeo oey oga ogd oge ogg ogn ogo ogy on- ona onb ond one ong onn ono ony oo- ooa oob ood oog oon ooo oya oyd oye oyo yaa yab yad yae yag yan yao yay ybe ybg yby yda yde ydg ydn ydo ydy yea yeb yed yee yeg yen yeo yey yga ygo yna ynd yne yng ynn yny yob yod yoe yog yon yoo yoy yyb yye yyg yyy