SUBMICRONS

bi bo in is mi mo mu no nu oi om on or os si so um un us

bin bio bis bos bro bum bun bur bus cis cob con cor cos cru cub cum cur ins ion ism mib mic mir mis mob moc mon mor mos mun mus nib nim nob nom nor nos nub nus obi oms ons orb orc ors our rib rim rin rob roc rom rub rum run sib sic sim sin sir sis sob som son sos sou sri sub sum sun uns urb urn

bins bios biro born boss brim brin brio bris bros bums buns burn burs buss cion cobs coin coir comb coni cons corm corn cors coss crib cris crus cubs curb curn curs cuss icon inro ions iron isms mibs mics mirs miso miss mobs mocs mons morn mors moss muni muns muon muss nibs nims nobs noir noms nori norm nous nubs numb obis onus orbs orcs ours ribs rims rins robs rocs roms rubs ruin rums runs scum sibs sics sims sins sirs snib snob snub sobs soms sons sorb sori sorn sour sous sris subs sumo sums suns umbo unci unco urbs uric urns