a-be a-ya aaaa aaab aaae aaaf aaar aaba aabb aaby aaea aafa aafb aaff aara aare abaa abab abae abaf abar abay abb- abba abbb abbe abbr abby abee aber abey abff abra abry abye abyy aeaf aeby aeer aer- aera aery afaa afar afee afer affa affy afr- afra afre afye arab arae araf arar aray arba arbe arby area aree aref arey arfa arfb arff arr- arra arre arrr arry ary- arya arye ayar ayay ayer ayra ayre ayry ayya baaa baaf baar baba babb babe babr baby baer baff bar- bara barb bare barf barr bary baya baye bbay bbbb bbeb beaf bear beay beba bebb bebe beby beeb beef beer beey befa befe beff bera bere berr bery beya beye brab brae braf bray brea breb bree bref brer brey brrr bry- brya brye byar byer byre eaaf eaba eafb eara earb eare eary ebay ebba ebbr ebby eber ebya eeby eeea eeee eefa eefe eera eery efab efbr effa effy efya eraf eray erba erbb erbe ereb erer erra erre erya erye eyeb eyer eyey eyra eyre eyry eyyr faaa faba fabe faeb fafa fafe faff fara farb fare farr fary faya faye fbar feaf fear feba feeb feer fefe feff fera ferb fere ferr fery feyr ffar ffee ffff ffrr frab frae fray frea free frey frya frye fyar fyfe fyra fyre fyry raab raaf raba rabb rabe raby raef raer rafa rafe raff rara rarb rare rarf rary raya raye rayr rbaf rbbb rbbr rea- reae reaf rear reay reba rebb rebe reeb reef refe reff refr rera rere rery reya reye rfae rfef rrrr ryba rybe ryeb ryfe ryff ryyf yaaf yaar yaba yafa yafe yaff yara yarb yare yarr yary yaya yber ybry yeaf year yeer yefe yeff yerb yere yerr yery yeye yeyr yyfe yyff yyyy