Must not take a day off! Cranked out a late-night second foray into fonts. My new constraint was to use the same set of building blocks for each letter: 2 identical arcs (180°, 150 px by 75 px) and 1 line segment (150 px). I tried to show all three components in each letter, even if the letter could be constructed with only one (or two) of these parts.
3-line ABCs.