-ey a-a a-b aaa aab aae aag aah aas aay ab- aba abb abe abg abh abs aby aea aeb aee aeg aeh aes aey ag- aga agb age agg agh ags agy aha ahb ahe ahg ahh ahs ahy as- asa asb ase asg ash ass asy ay- aya aye ayh ays baa bab bae bag bah bas bay bba bbb bbe bbg bbh bbs bby be- bea beb bee beg beh bes bey bga bgb bge bgg bgh bgs bha bhb bhe bhg bhh bhs bsa bsb bse bsg bsh bss bsy by- bya bye byg byh bys eaa eab eae eag eah eas eba ebb ebe ebg ebh ebs eby eea eeb eee eeg ees eey ega egb ege egg egh egs egy eha ehb ehe ehg ehh ehs es- esa esb ese esg esh ess esy eya eye eys gaa gab gae gag gah gas gay gba gbe gbg gbh gbs gby ge- gea geb gee geg geh ges gey gga ggb ggg ggh ggs gha ghb ghe ghg ghh ghs gsa gsb gse gsg gss gy- gya gyb gye gys haa hab hae hag hah has hay hba hbb hbe hbg hbh hbs hby he- hea heb hee heg heh hes hey hga hgb hge hgg hgh hgs hgy hha hhb hhe hhg hhh hhs hhy hsa hsb hse hsg hsh hss hsy hy- hya hyb hye hyg hyh hys hyy saa sab sae sag sah sas say sba sbb sbe sbg sbh sbs sby se- sea seb see seg seh ses sey sga sgb sge sgg sgh sgs sh- sha shb she shg shh shs shy ss- ssa ssb sse ssg ssh sss sy- sya syb sye syg syh sys yaa yab yae yag yah yas yay ybe ybg ybs yby yea yeb yee yeg yeh yes yey yga yha yhe yhs ysa ysb yse ysg yss ysy yyb yye yyg yys yyy