If this is right...
If this is right: one goose, two geese Then why shoudn't we say: one moose, two meese If this is right: one die, two dice Then why shoudn't we say: one pie, two pice If this is right: one cherub, two cherubim Then why shouldn't we say: one bathtub, two bathtubim If this is right: one foot, two feet Then why shouldn't we say: one root, two reet If this is right: one man, two men Then shoudn't we say: one pan, two pen If this is right: one tooth, two teeth Then why shoudn't we say: one telephone booth, two telephone beeth From 'Painless Grammar' by Rebecca Elliot