BIOCONTROLS

bi bo in is it li lo no oi on or os si so ti to

bin bio bis bit boo bos bot bro cis cob col con coo cor cos cot ins ion its lib lin lis lit lob loo lot nib nil nit nob noo nor nos not obi oil ono ons oot orb orc ors ort rib rin rob roc rot sib sic sin sir sit sob sol son sot sri tic til tin tis ton too tor

bins bint bios birl biro bits blin bloc blot boil bolo bolt boon boor boos boot born bort bots brin brio bris brit broo bros cion cist clon clot cobs coil coin coir cols colt coni cons cool coon coos coot corn cors cost cots crib cris crit icon inro into ions iron libs lino lins lint lion list lits lobo lobs loci loco loin loon loos loot lorn lost loti lots nibs nils nits nobs noil noir nolo nori obis obit obol oils olio onos onto oots orbs orcs orts otic ribs rins riot robs rocs roil root roti rotl roto rots scot silo silt slit slob slot snib snit snob snot soil soli solo soon soot sorb sori sorn sort stir stob tics tils tins tirl tiro toil tons tool toon torc tori torn toro tors trio