UnScramble this Word: s b m e e s s o?

Questions

In the Scottish Hebrides, an island is defined as being an island only if it is big enough to sustain 1---------- .?

In---------- , they sell toupees for dogs.?

In Tokyo, they sell ---------- for dogs.?

In Tokyo, they sell toupees for---------- .?

---------- (in Hawaii) is generally regarded as the world's most active volcano.?