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I don't know who needs to hear this, but: ˥ ˦ ˧ ˨ ˩, ꜒ ꜓ ꜔ ꜕ ꜖, and by way of checking whether your typeface supports combined tone letters, ˥˦˧˨˩ ꜒꜓꜔꜕꜖ ˩˨˧˦˥ ˩˨˦˥ ˥˨˦ ꜖꜕꜔꜓꜒