CONTRABASSOON

aa ab an ar as at ba bo na no on or os so ta to

aas aba abo abs act ana ant arb arc ars art ass baa ban bar bas bat boa boo bos bot bra bro cab can car cat cob con coo cor cos cot nab nan nob noo nor nos not oar oat oba oca ono ons oot ora orb orc ors ort ran ras rat rob roc rot sab sac sat sob son sos sot tab tan tao tar tas ton too tor

abas abos acta acts anas anna anoa anon ansa anta ants arbs arco arcs arts baas bans barn bars bass bast bats boar boas boat boon boor boos boot bora born bort boss bota bots bran bras brat broo bros cabs cans cant carb carn cars cart casa cast cats coat cobs conn cons coon coos coot corn cors coss cost cots crab naan nabs nana nans naos narc nobs nona noon nota oars oast oats obas ocas onos onto oots orbs orca orcs orts osar ossa rant rato rats roan robs rocs root rota roto rots sabs sacs sans scab scan scar scat scot snob snot soar soba sobs soca sons soon soot sora sorb sorn sort sots stab star stoa stob tabs taco tans taos tarn taro tars tass tons toon tora torc torn toro tors toss tsar