UNDERBUILT

be bi de ed el en er et id in it li ne nu re ti un ut

bed bel ben bet bid bin bit bud bun bur but deb del den dib die din dit dub due dui dun eld end ern ire led lei let leu lib lid lie lin lit neb net nib nil nit nub nut reb red rei ret rib rid rin rub rue run rut ted tel ten tie til tin tub tui tun ulu urb urd urn ute

bedu belt bend bent bide bier bile bind bine bint bird birl bite bled blet blin blue blur bred bren brie brin brit brut bund bunt burd burl burn bute debt deil deli delt deni dent diel diet dine dint dire dirl dirt dite drib drub duel duet duit dune dunt dure durn edit etui idle ired lend lent leud lied lien lier lieu line lint lire lite litu lube lude lune lunt lure lute nerd nide nite nude nurd nurl rein rend rent ride riel rile rind rite rube rude rued ruin rule rune runt tend tern tide tied tier tile tine tire tirl true tube tule tune turd turn unbe unde unit