UNFADABLE

aa ab ad ae al an ba be de ed ef el en fa fe la na ne nu un

aal aba ala alb ale ana and ane baa bad bal ban bed bel ben bud bun dab dal dan deb def del den dub due dun eau eld elf end fab fad fan fed fen feu flu fub fud fun lab lad lea led leu nab nae neb nub

abed able alae alan alba alef alfa anal auld baal bade bald bale band bane baud bead bean beau bedu bend blae bled blue buna bund dale daub deaf deal dean delf dual duel dune elan enuf fade fane faun feal fend feud flab flan flea fled flub flue fuel fund lade land lane laud lead leaf lean lend leud lube lude luna lune nabe nada nala nude ulan ulna unbe unde