BEM list wrong

cms-list_wrong.less

/* HTML-код:
<ul class="cms-list">
    <li class="cms-list__item cms-list__item_square">List Item 1 text</li>
    <li class="cms-list__item cms-list__item_square">List Item 2 text</li>
</ul>
*/

.cms {
    &-list {
        padding: 0 0 0 7rem;

        &__item {
            &_disc {
                list-style-type: disc;
            }
            &_square {
                list-style-type: square;
            }
            &_dec {
                list-style-type: decimal;
            }
        }

        &_dec {
            padding: 0 0 0 3rem;
        }
    }
}