Sisterly Duty — 6.6

Solution

Each group contains four terms with their vowels and Y’s missing. Filling in the missing fifth terms yields:

BURGLAR ALARM LLAMA BULGARIA ARMOR BURGER Sea Shells on the seesaw

BANANAS TOMATOES LEMONS GARPEFRUIT ORANGES Cheap Checkout fruits

BEAR FERRET STEGOSAURUS ELEPHANT MOUSE Zoo left column

SPOCK LIZARD ROCK PAPER SCISSORS RPSLS signs

LITERATURE MATHS MANAGEMENT ECONOMY ELECTRONICS Curriculum odd subjects

The flavour text further hints that the solution is spelled out by the first and last letter of each recovered word, giving

BROS MESSES