V
⟨vg⟩ was used in the Tindall orthography of Khoehkoe for the voiceless palatal click /ǂ/.
⟨vh⟩ represents /v/ in the Shona language. It was also used in the Tindall orthography of Khoehkoe for the aspirated palatal click /ǂʰ/.
⟨vk⟩ was used in the Tindall orthography of Khoehkoe for the voiceless palatal click /ǂ/ (equivalent to ⟨vg⟩).
⟨vn⟩ was used in the Tindall orthography of Khoehkoe for the palatal nasal click /ᵑǂ/.
⟨vv⟩ is used in Central Alaskan Yup'ik for /f/.
Read more about this topic: List Of Digraphs In Latin Alphabets