STORKSBILLS

bi bo is it ki li lo oi or os si so ti to

bio bis bit bos bot bro ilk ill irk its kir kis kit kob koi kor kos lib lis lit lob lot obi oil orb ors ort rib rob rot sib sir sis sit ski sob sol sos sot sri til tis tor tsk

bilk bill bios birk birl biro bisk bits blot boil boll bolt bork bort bosk boss bots brio bris brit bros ilks ills irks kill kilo kilt kirs kiss kist kits kobs kois kors koss kris libs lilo lilt list lits lobs loss lost loti lots obis obit oils orbs orts ribs rill riot risk robs roil roll roti rotl rots sibs silk sill silo silt sirs sits skis skit slit slob slot sobs soil soli sols sorb sori sort sots sris stir stob till tils tirl tiro toil toll tori tors toss trio tsks