OBLIGATOS

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abo abs ago ags ail ais ait alb als alt bag bal bas bat big bio bis bit boa bog boo bos bot gab gal gas gat gib git goa gob goo gos got its lab lag las lat lib lis lit lob log loo lot oat oba obi oil oot sab sag sal sat sib sit sob sol sot tab tag tao tas til tis tog too

abos agio ails aits albs alit also alto alts bags bail bait bals bast bats bias bigs biog bios bits blat blog blot boas boat bogs boil bola bolo bolt boos boot bota bots gabs gait gals gaol gast gats gibs gilt gist gits glia glib glob goal goas goat gobo gobs goos iota isba labs lags last lati lats libs list lits lobo lobs logo logs loos loot lost lota loti lots oast oats obas obia obis obit obol oils olio oots sago sail salt sati sial silo silt slab slag slat slit slob slog slot soba soil sola soli solo soot stab stag stoa stob tabs tags tail tali taos tils toga togs toil tola tool