Here are 27 letter pairs, listed alphabetically, that make up 9 six-letter words. Using the clues provided find all 9 words, using each letter pair only once. When you are done the first letter in each word will form a word revealing the theme of the puzzle.
AD AS CA CI EI EL ES ES GH HO IC IC LE LE LS MI NS NT PE RE RO SA SL ST TE TI US
1. Sings
2. Dwellings
3. Cookie plan
4. Frozen water stalactite
5. St. Nicks
6. Shiny garland
7. ___toe
8. ___ Fideles
9. Ice vehicle