Nice videos. If I were to teach exceptions to my students, I would take a different route.
(1 ) Great vowel shift is not uniform. That's why we have two sets of pronunciations: ( a ) bear, tear, wear, swear vs. ( b ) fear, sear, shear, hear, rear, beard. The former vowel is lower than the latter in the vowel space.
(2) paper vs. pepper. The presence of geminated (double) con