Puzzles

A. Each of the following sets of letters can be made into a real word by adding three letters to the beginning, and the same three letters in the same order to the end.

For example, ANGLEM can have ENT added at the start and the end to become ENT + ANGLEM + ENT = ENTANGLEMENT.

ERTAINM
ISCOVE
ROW
IOXID
ROCOS


B. Can you complete these 5-letter words?

_ S _ G _
_ _ R _ F
_ Z U _ _
E _ _ X _
_ P _ _ C
_ _ L N _
_ W _ _ M
_ _ _ J O
Q _ _ _ A
_ V _ K _
I _ _ H _


C. These words can all have a letter added and then be rearranged to make a new 5-letter word, e.g. noun union NOUN + I = UNION.

The 7 added letters are an anagram of a 7-letter word. What is the 7-letter word, and what are the new words?

MAIL
EXIT
GOSH
CITY
NEWT
DENY
MINI