v1 — All caps (original)

v2 — Flush tops — glyph top of a = cap top

v3 — Centered a — thin dash rules

v4 — Centered a — thick bar rules

v5 — Centered a — vertical connectors

v6 — Flush tops — bottom dash at cap baseline

v7 — Centered a — bracket frame

v8 — Flush tops — thin dash rules at cap edges

v9 — Flush tops — thick bar rules at cap edges