-ey a-a a-b aaa aab aae aag aao aap aas aay ab- aba abb abe abg abo abp abs aby aea aeb aee aeg aeo aep aes aey ag- aga agb age agg ago agp ags agy aoa aob aoe aog aoo aop aos ap- apa apb ape apg apo app aps apy as- asa asb ase asg aso asp ass asy ay- aya aye ayo ayp ays b-p baa bab bae bag bao bap bas bay bba bbb bbe bbg bbo bbp bbs bby be- bea beb bee beg beo bep bes bey bga bgb bge bgg bgo bgp bgs boa bob boe bog boo bop bos boy bpa bpb bpe bpg bpo bpp bps bpy bsa bsb bse bsg bso bsp bss bsy by- bya bye byg byo byp bys eaa eab eae eag eao eap eas eba ebb ebe ebg ebo ebp ebs eby eea eeb eee eeg eeo eep ees eey ega egb ege egg ego egp egs egy eo- eoa eob eoe eog eoo eop eos ep- epa epb epe epg epo epp eps es- esa esb ese esg eso esp ess esy eya eye eyo eyp eys g-p gaa gab gae gag gao gap gas gay gba gbe gbg gbo gbp gbs gby ge- gea geb gee geg geo gep ges gey gga ggb ggg ggo ggp ggs goa gob goe gog goo gop gos goy gpa gpb gpe gpg gpo gpp gps gsa gsb gse gsg gso gsp gss gy- gya gyb gye gyo gyp gys oaa oab oae oag oao oap oas ob- oba obb obe obg obo obp obs oby oea oeb oee oeg oeo oep oes oey oga oge ogg ogo ogp ogs ogy oo- ooa oob oog ooo oop oos op- opa opb ope opg opo opp ops opy os- osa osb ose osg oso osp oss oya oye oyo oys p-p paa pab pae pag pao pap pas pay pba pbb pbe pbg pbo pbp pbs pby pea peb pee peg peo pep pes pey pga pgb pge pgg pgo pgp pgs pgy poa pob poe pog poo pop pos poy ppa ppb ppe ppg ppo ppp pps ps- psa psb pse psg pso psp pss psy py- pya pyb pye pyg pyo pys saa sab sae sag sao sap sas say sba sbb sbe sbg sbo sbp sbs sby se- sea seb see seg seo sep ses sey sga sgb sge sgg sgo sgp sgs soa sob soe sog soo sop sos soy spa spb spe spg spo spp sps spy ss- ssa ssb sse ssg sso ssp sss sy- sya syb sye syg syp sys yaa yab yae yag yao yap yas yay ybe ybg ybp ybs yby yea yeb yee yeg yeo yep yes yey yga ygo yob yoe yog yoo yop yos yoy ypa ypg ypo yps ysa ysb yse ysg yso ysp yss ysy yyb yye yyg yys yyy