-ey a-a aaa aae aaf aao aas aay aea aee aef aeo aes aey af- afa afe aff afo afs afy aoa aoe aof aoo aos as- asa ase asf aso ass asy ay- aya aye ayf ayo ays eaa eae eaf eao eas eea eee eef eeo ees eey ef- efa efe eff efo efs eo- eoa eoe eof eoo eos es- esa ese esf eso ess esy eya eye eyo eys faa fae faf fao fas fay fea fee fef feo fes fey ffa ffe fff ffo ffs ffy foa foe fof foo fos foy fsa fse fsf fso fss fy- fya fye fyo oaa oae oaf oao oas oea oee oef oeo oes oey of- ofa ofe off ofo ofs oo- ooa oof ooo oos os- osa ose osf oso oss oya oye oyo oys saa sae saf sao sas say se- sea see sef seo ses sey sfa sfe sff sfo sfs soa soe sof soo sos soy ss- ssa sse ssf sso sss sy- sya sye sys yaa yae yaf yao yas yay yea yee yef yeo yes yey yfa yfe yff yfs yoe yof yoo yos yoy ysa yse yso yss ysy yye yyf yys yyy