The pairs of words aim at oral practice which precisely targets the training of vowel pronunciation. The criteria that accounts for the vowel distinction occurring in the chosen pairs are:

!$ \bullet !$ Reach – Rich

!$ \bullet !$ Seater – Sitter

!$ \bullet !$ Eat – It

!$ \bullet !$ Green – Grin

!$ \bullet !$ Beat – Bit

!$ \bullet !$ Feet – Fit