def METHOD_NAME(word: str) -> str:
    # fmt: off
    PONC = {
        "ḃ": "bh",
        "ċ": "ch",
        "ḋ": "dh",
        "ḟ": "fh",
        "ġ": "gh",
        "ṁ": "mh",
        "ṗ": "ph",
        "ṡ": "sh",
        "ṫ": "th",
        "Ḃ": "BH",
        "Ċ": "CH",
        "Ḋ": "DH",
        "Ḟ": "FH",
        "Ġ": "GH",
        "Ṁ": "MH",
        "Ṗ": "PH",
        "Ṡ": "SH",
        "Ṫ": "TH"
    }
    # fmt: on
    buf = []
    for ch in word:
        if ch in PONC:
            buf.append(PONC[ch])
        else:
            buf.append(ch)
    return "".join(buf)