import re


def get_split_suggestions(bilou_tag_data):
    """Return all the tokens with Split tag(S)

    Args:
        bilou_tag_data (str): Botok segmented data with bilou tag

    Returns:
        list: list of tokens with split tags
    """
    split_suggestions = [split_token[:-2] for split_token in re.findall(r'\S+/S', bilou_tag_data)]
    return list(set(split_suggestions))