Ior is a dipthong ‘io”
Anglo-Saxon Rune Poem (from ragweedforge.com)
Ior is a river fish and yet it always feeds on land;
it has a fair abode encompassed by water, where it lives in happiness
Ior is the rune of boundaries, as the dual expression of what it is to be the boundary itself, and also in establishing that boundary. It is often associated with Jormungard, the World Serpent, which defines the boundaries the of Midgard, protecting it from what lies outside, but also keeping what is inside, in. The nature of a boundary however, is that it encompasses both things, the in and out, and partakes of the natures of both, but it is also neither. In that sense, Ior is the liminal rune, and is associated with people who live on the boundaries, transgendered peoples of all types.
In a reading Ior signifies boundaries and limits. Sometimes those boundaries need to be established and clarified, other times, it is embracing them so they can be understood and surpassed.