OBTURATIONS

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 att ban bar bas bat bin bio bis bit boa boo bos bot bra bro bun bur bus but ins ion its nab nib nit nob noo nor nos not nub nus nut oar oat oba obi ono ons oot ora orb ors ort our out rai ran ras rat ria rib rin rob rot rub run rut sab sat sau sib sin sir sit sob son sot sou sri sub sun tab tan tao tar tas tat tau tin tis tit ton too tor tot tub tui tun tut 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 bast bats batt bias bins bint bios biro bits bitt boar boas boat boon boor boos boot bora born bort bota bots bott bout bran bras brat brin brio bris brit broo bros brut buna buns bunt bura burn burs bust buts butt 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 onos onto onus oots orbs orts osar otto ours oust outs rain rais rani rant rato rats rias ribs rins riot roan robs root rota roti roto rots rout rubs ruin runs runt rust ruts sain sari sati snib snit snob snot snub soar soba soon soot sora sorb sori sorn sort sour stab star stat stir stoa stob stot stub stun suba suit sura tabs tabu tain tans taos tarn taro tars tart tats taus taut tins tint tiro tits toit tons toon toot tora tori torn toro tors tort tost tots tour tout trio trot tsar tuba tubs tuis tuna tuns turn tuts unai unit unto urbs urns ursa utas