DOWNSLIP

do id in is li lo no od oi on op os ow pi si so wo

din dip dis dol don dos dow ids ins ion lid lin lip lis lop low nil nip nod nos now ods oil old ons ops owl own pin pis pod poi pol pow psi sin sip sod sol son sop sow win wis won wop wos

dino dins diol dips dols dons down dows idol ions lido lids lino lins lion lips lisp loid loin lops lown lows nils nips nodi nods noil nows oils olds owls owns pins pion piso plod plow pods pois pols pond pons pows sild silo slid slip slop slow snip snow soil sold soli sown spin swop wild wind wino wins wisp wold wons wops