arm.in.boom's Roll

Two of the same letter appear.

Three consonants in a row.

Something about the letters lands evenly.

A small real word lives in your roll.

Begins and ends with consonants.

Two of the same letter side by side.

Four consonants in a row.

A letter repeats with exactly one letter between it (X_X).

Exactly one vowel in the whole word.

Divisible by six, naturally.

Two separate pairs of matching letters.