19 19 good friend 1 9.

2828 hand in hand 2, 8.

Three, seven, three, seven, too close.

Four four six four six.

Five, five, five, five, five hands.

2. Ten plus jingles

One plus nine, ten tadpoles.

Two plus eight, ten old ducks.

Three plus seven, ten old hens.

Four plus six, ten golden monkeys.

Five plus five, ten big tigers.

Ten ways to break the formula:

Negative nine plus one, eight plus two, seven plus three, six plus four, five plus five, four plus six, three plus seven, two plus eight.

A dozen MINUS nine, a few plus one; Ten MINUS seven, a few plus three; A dozen MINUS five, a few plus five; One dozen MINUS three, several plus seven; A dozen MINUS eight, a few plus two; A dozen MINUS six, a few plus four; A dozen MINUS four, a few plus six; A dozen MINUS two, a few plus eight.