BEGIN AND END IX
Credit: RINKWORKS.com/Brain Food

The letters in each clue below are the "insides" of common words, with the first and last letters - which are the same - removed. Can you restore these letters to complete the words?

1.  _ ACI _
2.  _ LOH _
3.  _ AYHE _
4.  _ RYS _
5.  _ OYA _
6.  _ YLO _
7.  _ ALLO _
8.  _ RITI _
9. _ IDTER _
10.  _ ENTI _
11.  _ REN _
12.  _ LUF _
13. _ ATHTU _
14. _ ELFLES _
15.  _ AUN _
16.  _ ITERA _
17.  _ IVI _
18.  _ US _
19.  _ UR _
20.  _ OOFE _
21.  _ USEU _
22.  _ YNI _
23.  _ HOUGH _

Answers:

1. TACIT
2. ALOHA
3. MAYHEM
4. TRYST
5. LOYAL
6. NYLON
7. WALLOW
8. CRITIC
9. MIDTERM
10. LENTIL
11. ARENA
12. FULFF
13. BATHTUB
14. SELFLESS
15. TAUNT
16. LITERAL
17. CIVIC
18. HUSH
19. AURA
20. ROOFER
21. MUSEUM
22. CYNIC 
23. THOUGHT