A few of them are shortened, as feel, feeld, felt.

-N, Long.

Clean,cleaned.
Frown,frowned.

-N, Short Stem-words.

Din,dinned.
Pin,pinned.
Sin,sinned.

-R, Broad Sounds.

Blare,blared.
Care,cared.

Dare now makes durst; but in Friesic it is unmoulded—‘and ne thuradon nâ wither forskina’ (and dared not to show themselves again).

-R, Short.