a - sea, 2 - found, 3 - seen, b - whale, 4 - ridden, 5 - caught, 6 - met, c - feet, 7 - sat, 8 - felt, 9 - thought, 10 - flown, 11 - eaten, d - pear, 12 - swum, 13 - had, 14 - been, e - know.
a - sea, 2 - found, 3 - seen, b - whale, 4 - ridden, 5 - caught, 6 - met, c - feet, 7 - sat, 8 - felt, 9 - thought, 10 - flown, 11 - eaten, d - pear, 12 - swum, 13 - had, 14 - been, e - know.