GUMBOTILS

bi bo go is it li lo mi mo mu oi om os si so ti to um us ut

big bio bis bit bog bos bot bug bum bus but gib git gob gos got gul gum gut ism its lib lis lit lob log lot lug lum mib mig mil mis mob mog mol mos mot mug mus mut obi oil oms out sib sim sit sob sol som sot sou sub sum til tis tog tom tub tug tui uts

bigs biog bios bits blog blot bogs boil bolt bots bout bugs bums bust buts gibs gilt gist gits glib glim glob glom glum glut gobs gout guls gums gust guts iglu libs limb limo list lits litu lobs logs lost loti lots lout lugs lums lust mibs migs milo mils milt miso mist mobs mogs moil mols molt most mots mugs must muts obis obit oils omit oust outs silo silt slim slit slob slog slot slub slug slum slut smit smog smug smut soil soli soul stob stub stum suit sumo tils togs toil tolu tomb toms tubs tugs tuis umbo