SUBAQUATIC

aa ab ai as at ba bi is it qi si ta ti us ut

aas aba abs act ais ait baa bas bat bis bit bus but cab cat cis cub cut its qat qis qua sab sac sat sau sib sic sit sub suq tab tas tau tic tis tub tui uta uts

abas abut acta acts aits aqua asci baas bait bast bats bias bits bust buts cabs casa cast cats cist cubs cuts isba qats quai quit sati scab scat scut stab stub suba suit tabs tabu taus tics tuba tubs tuis utas