SUBMICROGRAM

ab ag ai am ar as ba bi bo go is ma mi mm mo mu oi om or os si so um us

abo abs ago ags aim air ais ami amu arb arc arm ars bag bam bar bas big bio bis boa bog bos bra bro brr bug bum bur bus cab cam car cig cis cob cog cor cos cru cub cum cur gab gam gar gas gib goa gob gor gos gum ism mac mag mar mas mib mic mig mim mir mis moa mob moc mog mom mor mos mug mum mus oar oba obi oca oms ora orb orc ors our rag rai ram ras ria rib rig rim rob roc rom rub rug rum sab sac sag sau sib sic sim sir sob som sou sri sub sum umm urb

abos abri agio aims airs ambo amir amis ammo amus arbs arco arcs arms arum asci bags bams barm bars bias bigs bima biog bios biro birr boar boas bogs bora brag bras brig brim brio bris bros bugs bums bura burg burr burs cabs camo cams carb carr cars ciao cigs cobs cogs coir coma comb corm cors crab crag cram crib cris crus cubs curb curr curs gabs gamb gams garb gars gaum gaur gibs giro goas gobs gorm grab gram grim grub grum guar gums iamb imam isba macs magi mags maim mair marc mars mibs mica mics migs mirs miso moas mobs mocs mogs momi moms mora mors mugs mums mura murr oars obas obia obis ocas ogam orbs orca orcs orra osar ours ragi rags rais rami rams rias ribs rigs rims roam roar robs rocs roms rubs ruga rugs rums sago sari scab scag scam scar scum sima smog smug soar soba soca soma sora sorb sori sour suba sumo sura umbo urbs uric ursa