LUMBRICOSIS

bi bo is li lo mi mo mu oi om or os si so um us

bio bis bos bro bum bur bus cis cob col cor cos cru cub cum cur ism lib lis lob lum mib mic mil mir mis mob moc mol mor mos mus obi oil oms orb orc ors our rib rim rob roc rom rub rum sib sic sim sir sis sob sol som sos sou sri sub sum urb

bios birl biro bloc blur boil boss brim brio bris bros bums burl burs buss club cobs coil coir cols comb corm cors coss crib cris crus cubs culm curb curl curs cuss ibis iris isms libs limb limo liri lobs loci loss lour lums mibs mics milo mils miri mirs miso miss mobs mocs moil mols mors moss muss obis oils orbs orcs ours ribs rims robs rocs roil roms rubs rums scum sibs sics silo sims sirs slim slob slub slum slur sobs soil soli sols soms sorb sori soul sour sous sris subs sumo sums umbo urbs uric