SUBMUNITION

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bin bio bis bit bos bot bum bun bus but inn ins ion ism its mib mis mob mon mos mot mun mus mut nib nim nit nob nom nos not nub nun nus nut obi oms ons out sib sim sin sit sob som son sot sou sub sum sun tin tis tom ton tub tui tun uns uts

bins bint bios bits bots bout bums bunn buns bunt bust buts ibis inns inti into ions mibs mini mint miso mist mobs mons most mots muni muns muon must muts nibs nims nisi nits nobs noms noun nous nubs numb nuns nuts obis obit omit onus oust outs smit smut snib snit snob snot snub stob stub stum stun suit sumo sunn tins tomb toms tons tubs tuis tuns umbo unit unto