SUBDRAIN

ab ad ai an ar as ba bi id in is na nu si un us

abs ads aid ain air ais and ani arb ars bad ban bar bas bid bin bis bra bud bun bur bus dab dan dib din dis dub dui dun ids ins nab nib nub nus rad rai ran ras ria rib rid rin rub run sab sad sau sib sin sir sri sub sun uns urb urd urn

abri aids ains airn airs ands anis anus arbs arid bads band bani bans bard barn bars baud bias bids bind bins bird brad bran bras brin bris buds buna bund buns bura burd burn burs dabs dais dans darb darn daub dibs dins drab drib drub dubs duns dura durn isba nabs nard nibs nubs nurd rads raid rain rais rand rani rias ribs rids rind rins rubs ruin runs sadi said sain sand sard sari snib snub suba sura surd unai urbs urds urns ursa