CONURBIAS

ab ai an ar as ba bi bo in is na no nu oi on or os si so un us

abo abs ain air ais ani arb arc ars ban bar bas bin bio bis boa bos bra bro bun bur bus cab can car cis cob con cor cos cru cub cur ins ion nab nib nob nor nos nub nus oar oba obi oca ons ora orb orc ors our rai ran ras ria rib rin rob roc rub run sab sac sau sib sic sin sir sob son sou sri sub sun uns urb urn

abos abri ains airn airs anis anus arbs arco arcs asci bani bans barn bars bias bins bios biro boar boas bora born bran bras brin brio bris bros buna buns bura burn burs cabs cain cans carb carn cars ciao cion cobs coin coir coni cons corn cors crab crib cris crus cubs curb curn curs icon inro ions iron isba nabs naoi naos narc nibs nobs noir nori nous nubs oars obas obia obis ocas onus orbs orca orcs osar ours rain rais rani rias ribs rins roan robs rocs rubs ruin runs sain sari scab scan scar snib snob snub soar soba soca sora sorb sori sorn sour suba sura unai unci unco urbs uric urns ursa