Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Gothic Letter | Roman | Sound (phoneme) | Sound (allophone) | Proto-Germanic origin |
| --- | --- | --- | --- | --- |
| �� | b | /[[&#124;b]]/ | [[[&#124;b]]] | /b/ |
| �� | b | /[[&#124;b]]/ | [[[&#124;β]]] | /b/ |
| �� | d | /[[&#124;d]]/ | [[[&#124;d]]] | /d/ |
| �� | d | /[[&#124;d]]/ | [[[&#124;ð]]] | /d/ |
| �� | f | /[[&#124;ɸ]]/ | [[[&#124;ɸ]]] | /ɸ/; /b/ |
| �� | g | /[[&#124;ɡ]]/ | [[[&#124;ɡ]]] | /g/ |
| �� | g | /[[&#124;ɡ]]/ | [[[&#124;ɣ]]] | /g/ |
| �� | g | /[[&#124;ɡ]]/ | [[[&#124;x]]] | /g/ |
| �� | g | /[[&#124;n]]/ | [[[&#124;ŋ]]] | /n/ |
| �� | gw | /[[&#124;ɡʷ]]/ | [[[&#124;ɡʷ]]] | /gʷ/ |
| �� | h | /[[&#124;h]]/ | [[[&#124;h]]] | /x/ |
| �� | ƕ | /[[&#124;hʷ]]/ | [[[&#124;hʷ]]] | /xʷ/ |
| �� | j | /[[&#124;j]]/ | [[[&#124;j]]] | /j/ |
| �� | k | /[[&#124;k]]/ | [[[&#124;k]]] | /k/ |
| �� | l | /[[&#124;l]]/ | [[[&#124;l]]] | /l/ |
| �� | m | /[[&#124;m]]/ | [[[&#124;m]]] | /m/ |
| �� | n | /[[&#124;n]]/ | [[[&#124;n]]] | /n/ |
| �� | p | /[[&#124;p]]/ | [[[&#124;p]]] | /p/ |
| �� | q | /[[&#124;kʷ]]/ | [[[&#124;kʷ]]] | /kʷ/ |
| �� | r | /[[&#124;r]]/ | [[[&#124;r]]] | /r/ |
| �� | s | /[[&#124;s]]/ | [[[&#124;s]]] | /s/; /z/ |
| �� | t | /[[&#124;t]]/ | [[[&#124;t]]] | /t/ |
| �� | þ | /[[&#124;θ]]/ | [[[&#124;θ]]] | /θ/; /d/ |
| �� | w | /[[&#124;w]]/ | [[[&#124;w]]] | /w/ |
| �� | z | /[[&#124;z]]/ | [[[&#124;z]]] | /z/ |
Question:
Which Gothic Letter has Proto-Germanic origin of /ɸ/; /b/?
Answer:
��