-ey a-a a-b aaa aab aae aag aao aap aay ab- aba abb abe abg abo abp aby aea aeb aee aeg aeo aep aey ag- aga agb age agg ago agp agy aoa aob aoe aog aoo aop ap- apa apb ape apg apo app apy ay- aya aye ayo ayp b-p baa bab bae bag bao bap bay bba bbb bbe bbg bbo bbp bby be- bea beb bee beg beo bep bey bga bgb bge bgg bgo bgp boa bob boe bog boo bop boy bpa bpb bpe bpg bpo bpp bpy by- bya bye byg byo byp eaa eab eae eag eao eap eba ebb ebe ebg ebo ebp eby eea eeb eee eeg eeo eep eey ega egb ege egg ego egp egy eo- eoa eob eoe eog eoo eop ep- epa epb epe epg epo epp eya eye eyo eyp g-p gaa gab gae gag gao gap gay gba gbe gbg gbo gbp gby ge- gea geb gee geg geo gep gey gga ggb ggg ggo ggp goa gob goe gog goo gop goy gpa gpb gpe gpg gpo gpp gy- gya gyb gye gyo gyp oaa oab oae oag oao oap ob- oba obb obe obg obo obp oby oea oeb oee oeg oeo oep oey oga oge ogg ogo ogp ogy oo- ooa oob oog ooo oop op- opa opb ope opg opo opp opy oya oye oyo p-p paa pab pae pag pao pap pay pba pbb pbe pbg pbo pbp pby pea peb pee peg peo pep pey pga pgb pge pgg pgo pgp pgy poa pob poe pog poo pop poy ppa ppb ppe ppg ppo ppp py- pya pyb pye pyg pyo yaa yab yae yag yao yap yay ybe ybg ybp yby yea yeb yee yeg yeo yep yey yga ygo yob yoe yog yoo yop yoy ypa ypg ypo yyb yye yyg yyy