Inspired by tm Extend. Work in progress.

Type the uppercase letter for the left half of the letter, type an extender (or not), then type the same lowercase letter for the right half of the letter. The more extenders are inserted between the left and the right halves, the wider the letter becomes.

I and T are the exceptions where the extenders are typed before and after the left and right halves and not inbetween.

The other exceptions are M, N and W which have been split into 3 and extenders are added between the left, middle and right thirds.

? is split between ? and /

You can also mix and match letters, such as:

F@a, U$v, O`o.

I had to use kerning to get the I and T to behave correctly.

Extend:

A@@a, Ä@@ä, B__b, C**c, Ç**ç, D**d, E__e, Ë__ë, Ə__ə, F@@f, G**g, H##h, *Ii* , J**j, IJ**ij, K##k, L$$l, M^%^m, N^&$n, Ñ^&$ñ, Ŋ^&$ŋ, O**o, Ö**ö, Ø**ø, P@@p, Q**q, R@@r, S__s, ^Tt^ , U$$u, Ü$$ü, V$$v, W$`$w, X##x, Y##y, Ÿ##ÿ, Z__z, ?@@/.