SUBCONTROL

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boo bos bot bro bun bur bus but cob col con coo cor cos cot cru cub cur cut lob loo lot nob noo nor nos not nub nus nut ono ons oot orb orc ors ort our out rob roc rot rub run rut sob sol son sot sou sub sun ton too tor tub tun uns urb urn uts

bloc blot blur bolo bolt boon boor boos boot born bort bots bout broo bros brut buns bunt burl burn burs bust buts clon clot club cobs cols colt cons cool coon coos coot corn cors cost cots crus cubs cult cunt curb curl curn curs curt cuts lobo lobs loco loon loos loot lorn lost lots lour lout lunt lust nobs nolo nous nubs nurl nuts obol onos onto onus oots orbs orcs orts ours oust outs robs rocs root rotl roto rots rout rubs runs runt rust ruts scot scut slob slot slub slur slut snob snot snub solo soon soot sorb sorn sort soul sour stob stub stun tolu tons tool toon torc torn toro tors tour tubs tuns turn unco unto urbs urns