-ey a-a aaa aae aaf aas aay aea aee aef aes aey af- afa afe aff afs afy as- asa ase asf ass asy ay- aya aye ayf ays eaa eae eaf eas eea eee eef ees eey ef- efa efe eff efs es- esa ese esf ess esy eya eye eys faa fae faf fas fay fea fee fef fes fey ffa ffe fff ffs ffy fsa fse fsf fss fy- fya fye saa sae saf sas say se- sea see sef ses sey sfa sfe sff sfs ss- ssa sse ssf sss sy- sya sye sys yaa yae yaf yas yay yea yee yef yes yey yfa yfe yff yfs ysa yse yss ysy yye yyf yys yyy