a-ya aaaa aaab aaad aaaf aaal aaba aabb aabd aabl aaby aada aafa aafb aafd aaff aafl aala aald aall abaa abab abad abaf abal abay abb- abba abbb abby abda abdy abff abla ably abyy adaa adab adad adal aday adba adda addd addl addy adfa adfl adly adya afaa afad afdb afdl affa affy afla afly alaa alad alal alay alb- alba alby ald- alda aldl alfa all- alla alll ally alya ayad ayal ayay ayda ayla ayya baaa baad baaf baal baba babb baby bada badb badd bady baff bala bald balf ball baly baya bayl bbad bbay bbbb bbdd bblb bday bffl blaa blab blad blay bly- byla byld byyd daab daad daal daba dabb dada dady dafa daff dala dalf dall daly daya dayl dday dddd ddly dfaf dffa dlab dlbd dya- dyab dyad dyaf dyal dydd dyf- dyla dyll faaa faad faba fabd fada fadd fady fafa faff fala fald fall faya fayd fayl fbla fday ffff flab flad flay flya fyld laaa laad laal laba laby lada ladd lady lafb laff lala lald lall laya layd llay lldb llll lydd lyff lyfy lyla lyly lyyf yaaf yaba yada yafa yaff yala yald yall yaya ydad yday ylad ylay ylla yyff yyyy