DOWNSIZING

do go id in is no od oi on os ow si so wo

dig din dis dog don dos dow gid gin god gos ids inn ins ion nod nog nos now ods ons own sin sod son sow wig win wis wiz wog won wos zig zin

digs ding dino dins dogs dong dons down dows gids gins gods gowd gown inns ions iwis nidi nisi nodi nods nogs nows owns sign sing snog snow song sown swig wigs wind wing wino wins wogs wons zigs zing zins