A team has finished a game with 4-6-6 runs-hits-errors line 12 times since 1897, most recently California Angels on 27 June 1975. That is about one every 36,917 team-games.
Box score for the most recent one ↗
4-5-8 4-6-1 4-6-3 4-6-0 4-6-2 4-6-5 4-6-6 4-6-4 4-6-7 4-6-8 4-7-0 4-7-1 4-7-2
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes