use '?' for JOKER (blank)

From letters V, I, G, I, L, S  I made following words

6 letter words

vigils[10]

5 letter words

vigil[9], sigil[6]

4 letter words

vigs[8]

3 letter words

vig[7], vis[6], lis[3]

2 letter words

li[2], is[2], si[2]