O. N. v is represented by v in vath, vittirly, vyndland, all in Bruce.
An epenthetic v appears after o (u) in crove, rove, unrufe.
ð, þ
O. N. ð, þ quite regularly > th: baith, bletherb, raith, buith, degraith, firth, garth, graith, ithand, lythe, mythe, hething, harth, grith, gyrth, waith, vath, sleuth, tath, skaith, wandreth, etc.
O. N. ð > d medially and finally in eident, ydlanlie, heid, red, duds, stud.
O. N. ð is lost in mauch.
O. N. þ initially remains in thrist, thra, thraif, tha, thir, thwaite, wan-threvin.
þ > t in tytt, tangle.
f.
O. N. f initially always remains.