BUILDDOWNS

bi bo do id in is li lo no nu od oi on os ow si so un us wo

bid bin bio bis bod bos bow bud bun bus dib did din dis dol don dos dow dub dud dui dun duo ids ins ion lib lid lin lis lob low nib nil nob nod nos now nub nus obi odd ods oil old ons oud owl own sib sin sob sod sol son sou sow sub sun udo uns win wis won wos wud

bids bind bins bios blin blow bods boil bold bond bowl bows buds bund buns dibs dido dino dins diol dols dons down dows dubs duds duns duos idol ions libs lido lids lino lins lion lobs loid loin loud lown lows nibs nils nobs nodi nods noil nous nows nubs obis odds oils olds onus ouds owls owns sild silo slid slob slow slub snib snob snow snub soil sold soli soul sown sudd swob udon udos undo wild wind wino wins wold wons