An Index of Extinct Letters

In Which Exactly and Only What Is Promised By the Title of The Post is Presented For Your Edification and Idle Amusement, With No Context, History, Explanation, Or To Be Quite Honest Any Thing Other Than The Letters In Question and Their Names Bestowed Upon You, Such Is My Esteem For Your Potential, My Dear Readers, In That I Respect Your Researching Abilities To Such A Degree That I Will Allow You To 'Fill In The Blanks' Left Vacant By the Above On Your Own Time, Should You Possess Both the Desire And Drive Necessary For The Task, Which If Not, I Can Only Shake My Head and Make a Small Sound Of Disappointment

Þ
is Thorn
Ð and ð
are Eth
Æ and æ
are Ash
Ƿ
Is Wynn
Ȝ
Is Yogh