MICROBURSTS

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bio bis bit bos bot bro brr bum bur bus but cis cob cor cos cot cru cub cum cur cut ism its mib mic mir mis mob moc mor mos mot mus mut obi oms orb orc ors ort our out rib rim rob roc rom rot rub rum rut sib sic sim sir sis sit sob som sos sot sou sri sub sum tic tis tom tor tub tui urb uts

bios biro birr bits bort boss bots bout brim brio bris brit bros brut bums burr burs buss bust buts cist cobs coir comb corm cors coss cost cots crib cris crit crus cubs curb curr curs curt cuss cuts isms mibs mics mirs miso miss mist mobs mocs mors mort moss most mots murr muss must muts obis obit omit orbs orcs orts otic ours oust outs ribs rims riot robs rocs roms roti rots rout rubs rums rust ruts scot scum scut sibs sics sims sirs sits smit smut sobs soms sorb sori sort sots sour sous sris stir stob stub stum subs suit sumo sums tics tiro tomb toms torc tori torr tors toss tour trim trio tubs tuis umbo urbs uric