ROUNDBALLS

ab ad al an ar as ba bo do la lo na no nu od on or os so un us

abo abs ado ads alb all als and arb ars bad bal ban bar bas boa bod bos bra bro bud bun bur bus dab dal dan dol don dor dos dub dun duo lab lad lar las lob nab nob nod nor nos nub nus oar oba oda ods old ons ora orb ors oud our rad ran ras rob rod rub run sab sad sal sau sob sod sol son sou sub sun udo uns urb urd urn

abos ados albs alls also ands anus arbs auld bads bald ball bals band bans bard barn bars baud blur boar boas bods bola bold boll bond bora born brad bran bras bros buds bull buna bund buns bura burd burl burn burs dabs dals dans darb darn daub doll dols dona dons dors dour drab drub dual dubs dull duns duos dura durn duro labs lads land lard lars laud load loan lobs lord lorn loud lour luna nabs naos nard nobs nods nous nubs null nurd nurl oars obas odas olds olla onus orad oral orbs osar ouds ours rads rand road roan robs rods roll rubs runs sall sand sard saul slab slob slub slur snob snub soar soba soda sola sold sora sorb sord sorn soul sour suba sura surd udon udos ulan ulna undo urbs urds urns ursa