a-be a-ya aaaa aaab aaae aaar aaba aabb aaby aaea aara aare abaa abab abae abar abay abb- abba abbb abbe abbr abby abee aber abey abra abry abye abyy aeby aeer aer- aera aery arab arae arar aray arba arbe arby area aree arey arr- arra arre arrr arry ary- arya arye ayar ayay ayer ayra ayre ayry ayya baaa baar baba babb babe babr baby baer bar- bara barb bare barr bary baya baye bbay bbbb bbeb bear beay beba bebb bebe beby beeb beer beey bera bere berr bery beya beye brab brae bray brea breb bree brer brey brrr bry- brya brye byar byer byre eaba eara earb eare eary ebay ebba ebbr ebby eber ebya eeby eeea eeee eera eery eray erba erbb erbe ereb erer erra erre erya erye eyeb eyer eyey eyra eyre eyry eyyr raab raba rabb rabe raby raer rara rarb rare rary raya raye rayr rbbb rbbr rea- reae rear reay reba rebb rebe reeb rera rere rery reya reye rrrr ryba rybe ryeb yaar yaba yara yarb yare yarr yary yaya yber ybry year yeer yerb yere yerr yery yeye yeyr yyyy