ABSTRUSION

ab ai an ar as at ba bi bo in is it na no nu oi on or os si so ta ti to un us ut

abo abs ain air ais ait ani ant arb ars art ass ban bar bas bat bin bio bis bit boa bos bot bra bro bun bur bus but ins ion its nab nib nit nob nor nos not nub nus nut oar oat oba obi ons ora orb ors ort our out rai ran ras rat ria rib rin rob rot rub run rut sab sat sau sib sin sir sis sit sob son sos sot sou sri sub sun tab tan tao tar tas tau tin tis ton tor tub tui tun uns urb urn uta uts

abos abri abut ains airn airs airt aits anis anti ants anus arbs arts aunt auto bait bani bans barn bars bass bast bats bias bins bint bios biro bits boar boas boat bora born bort boss bota bots bout bran bras brat brin brio bris brit bros brut buna buns bunt bura burn burs buss bust buts inro into ions iota iron isba nabs naoi naos nibs nits nobs noir nori nota nous nubs nuts oars oast oats obas obia obis obit onus orbs orts osar ossa ours oust outs rain rais rani rant rato rats rias ribs rins riot roan robs rota roti rots rout rubs ruin runs runt rust ruts sabs sain sans sari sati sibs sins sirs sits snib snit snob snot snub soar soba sobs sons sora sorb sori sorn sort sots sour sous sris stab star stir stoa stob stub stun suba subs suit suns sura tabs tabu tain tans taos tarn taro tars tass taus tins tiro tons tora tori torn tors toss tour trio tsar tuba tubs tuis tuna tuns turn unai unit unto urbs urns ursa utas