EXAMINE THIS REPORT ON NASCENCY DEFINITION

There aren't any minimum pairs for tense/lax pairs including /ʊ/ and /u/ in unstressed syllables, since they are in complementary distribution. They are not seriously distinctive phonemes.I think You will find a rule (with exceptions, not surprisingly) about in the event the "ch" is throaty and when it really is mouthy. Right after an "open vowel"