a-ya aaaa aaab aaad aaar aaav aaba aabb aabd aaby aada aara aard aava abaa abab abad abar abay abb- abba abbb abbr abby abda abdy abra abry abva abvd abyy adaa adab adad adar aday adba adda addd addr addy adra adry advb adya arab arad arar aray arba arby arda arr- arra arrr arry arva arvy ary- arya avab avar avay avda avra avry avva avvy ayad ayar ayay ayda ayra ayry ayya baaa baad baar baba babb babr baby bada badb badd badr bady bar- bara barb bard barr bary bava baya bbad bbay bbbb bbdd bd-r bdav bday bdry brab brad brav bray brda brdy brrr bry- brya bryd byar bydv byrd byyd daab daad daar daba dabb dada dady dara darb dard darr dary dava davy daya dbar dday dddd ddry draa drab drad drar dray drba drda drra dry- dvar dvda dvdr dvra dya- dyab dyad dyar dydd dyr- dyrb dyyr raab raad raba rabb raby rada radd radr rara rarb rary rava raya rayd rayr rbbb rbbr rrad rrrr ryad ryba ryda rydy vaad vaar vada vady vara vard varr vary vava vaya vayd vayr vbyv vday vrav vray vrba vrdy vvvv yaar yaba yada yara yarb yard yarr yarv yary yava yaya ybry ydad yday yrad yyyy