SUMMABILITY

ab ai al am as at ay ba bi by is it la li ma mi mm mu my si ta ti um us ut ya

abs aby ail aim ais ait alb als alt ami amu ays bal bam bas bat bay bis bit bum bus but buy bys ism its lab lam las lat lay lib lis lit lum mas mat may mib mil mim mis mum mus mut sab sal sat sau say sib sim sit sly sty sub sum tab tam tas tau til tis tub tui umm uta uts yam yum

ably abut abys ails aims aits albs alit alms alts alum amis amus amyl bail bait balm bals bams bast bats bays bias bima bits blam blat bums bust busy buts buys iamb ibis ilia imam immy isba labs lamb lams last lati lats latu lays libs lima limb limy list lits litu luma lums lust mail maim malm malt mast mats maul maut mays mibs mils milt mist mity mums must muts sail salt sati saul sial silt sima slab slam slat slay slim slit slub slum slut smit smut stab stay stub stum suba suit syli tabs tabu tail tali tams taus tils tuba tubs tuis utas yams