a-a aaa aad aao aas aay ad- ada add ado ads ady aoa aod aoo aos as- asa asd aso ass asy ay- aya ayd ayo ays daa dad dao das day dda ddd ddo dds ddy doa dod doo dos doy dsa dsd dso dss dsy dy- dya dyd dyo dys dyy oaa oad oao oas oda odd odo ods oo- ooa ood ooo oos os- osa osd oso oss oya oyd oyo oys saa sad sao sas say sda sdd sdo sds sdy soa sod soo sos soy ss- ssa ssd sso sss sy- sya syd sys yaa yad yao yas yay yda ydo yds ydy yod yoo yos yoy ysa yso yss ysy yys yyy