FIBRATUS

ab ai ar as at ba bi fa if is it si ta ti us ut

abs aft air ais ait arb arf ars art bar bas bat bis bit bra bur bus but fab far fas fat fib fir fit fub fur ifs its rai ras rat ria rib rif rub rut sab sat sau sib sir sit sri sub tab tar tas tau tis tub tui urb uta uts

abri abut airs airt aits arbs arfs arts bait barf bars bast bats bias bits bras brat bris brit brut bura burs bust buts fabs fair fart fast fats fiar fiat fibs firs fist fits frat frit fubs furs isba raft rais rats rias ribs rifs rift rubs rust ruts sari sati sift stab star stir stub suba suit sura surf tabs tabu tars taus tsar tuba tubs tufa tuis turf urbs ursa utas