bbbb bbeb bblb bebb bebe beby beeb beef beel beer beey befe beff bele bell bely bere berr bery beye beyl bffl bleb blee bley bly- blye breb bree bref brel brer brey brrr bry- brye byer byle byre ebbr ebby ebel eber eeby eeee eefe eefl eele eely eery efbr effy efly el-b elbe elee elef eler eley elfe elle elly erbb erbe ereb erel erer erle erll erre erye eyeb eyer eyey eyle eyre eyry eyyr fble feeb feel feer fefe feff fele felf fell ferb fere ferr fery feyr ffee ffff ffrr flee fler fley flye free frey frye fyfe fyle fyre fyry lblr leef leel leer lefe leff lele lell lely lere lery leye leyf leyr llef llll llyr lrrr lrry lyef lyer lyfe lyff lyfy lyle lyly lyre lyyf rbbb rbbr rble rebb rebe reeb reef reel refe reff refl refr relb rele rell rely rere rery reye rfef rffl rlee rlef rrle rrrr rybe ryeb ryel ryfe ryff ryle ryyf yber ybry yeel yeer yefe yeff yele yelf yell yerb yere yerl yerr yery yeye yeyr yfel ylle yrle yrly yyfe yyff yyyy