a-ya aaaa aaad aada aadt aata aatt adaa adad adat aday adda addd addy adta adya adyt at-t at-x ataa atad atat atax atay atdt atta atty atya axat ayad ayat ayay ayda ayta ayya daad dada dady data datt daya dayt dday dddd dtaa dttx dtxt dxty dxxx dya- dyad dyat dydd dyt- dytx dyty dyxx dyxy taa- taat tada tata tatt taty tax- taxa taxt taxy taya tayt tayy tttt ttyd txaa tydd tydy tyta tytd tytt tyty tyxt xxxx xxxy yada yata yaxa yaya ydad yday ydyt ytay yyyy