a-a aaa aad aaf aao aas aay ad- ada add adf ado ads ady af- afa afd aff afo afs afy aoa aod aof aoo aos as- asa asd asf aso ass asy ay- aya ayd ayf ayo ays daa dad daf dao das day dda ddd ddf ddo dds ddy dfa dfd dff dfo dfs doa dod dof doo dos doy dsa dsd dsf dso dss dsy dy- dya dyd dyo dys dyy faa fad faf fao fas fay fda fdd fdf fdo fds ffa ffd fff ffo ffs ffy foa fof foo fos foy fsa fsd fsf fso fss fy- fya fyo oaa oad oaf oao oas oda odd odf odo ods of- ofa ofd off ofo ofs oo- ooa ood oof ooo oos os- osa osd osf oso oss oya oyd oyo oys saa sad saf sao sas say sda sdd sdf sdo sds sdy sfa sfd sff sfo sfs soa sod sof soo sos soy ss- ssa ssd ssf sso sss sy- sya syd sys yaa yad yaf yao yas yay yda ydo yds ydy yfa yfd yff yfs yod yof yoo yos yoy ysa yso yss ysy yyf yys yyy