Radio {% include 'elements/forms/radio' %}
#
HTML 
<div class="field-set">
    <div class="field-set__content">
        <div class="field-set__items">
            <div class="field-set__item">
                <input class="field-set__input field-set__input--radio" id="radioa1" name="radioa" type="radio" checked="checked" />
                <label class="field-set__label field-set__label--radio" for="radioa1">Visa (debit)</label>
            </div>
            <div class="field-set__item">
                <input class="field-set__input field-set__input--radio" id="radioa2" name="radioa" type="radio" />
                <label class="field-set__label field-set__label--radio" for="radioa2">Visa (credit)</label>
            </div>
        </div>
    </div>
</div>
Twig 
<div class="field-set">
    <div class="field-set__content">
        <div class="field-set__items">
            <div class="field-set__item">
                <input class="field-set__input field-set__input--radio" id="radioa1" name="radioa" type="radio" checked="checked" />
                <label class="field-set__label field-set__label--radio" for="radioa1">{{values.1}}</label>
            </div>
            <div class="field-set__item">
                <input class="field-set__input field-set__input--radio" id="radioa2" name="radioa" type="radio" />
                <label class="field-set__label field-set__label--radio" for="radioa2">{{values.2}}</label>
            </div>
        </div>
    </div>
</div>
{
    "values": {
        "1": "Visa (debit)",
        "2": "Visa (credit)"
    }
}