No uniform realisation is possible.

Incidence matrix according to Dynkin symbol

o3β4x

both( . . . ) | 24 |  1  2  2 | 1  2  2
--------------+----+----------+--------
both( . . x ) |  2 | 12  *  * | 0  2  0
sefa( o3β . ) |  2 |  * 24  * | 1  0  1
sefa( . s4x ) |  2 |  *  * 24 | 0  1  1
--------------+----+----------+--------
      o3β .   ♦  3 |  0  3  0 | 8  *  *
both( . s4x ) ♦  4 |  2  0  2 | * 12  *
sefa( o3β4x ) |  4 |  0  2  2 | *  * 12

starting figure: o3x4x