They all have a reading that is the same backwards.
産 SAN, u(mu), u(mareru) - birth, produce, property
編 HEN, a(mu) - knit, crochet, compile
偉 I, era(i) - great, eminent, extraordinary
雄 YUU, osu, o - male, brave, great
渦 KA, uzu - swirl, vortex, whirlpool