AAPKA DICTIONARY NO FURTHER A MYSTERY

There won't be any nominal pairs for tense/lax pairs for example /ʊ/ and /u/ in unstressed syllables, since they are in complementary distribution. They are not actually distinctive phonemes.I do think the dialogue about /x/ and /χ/ is superfluous. I checked several WIKI-web pages and even though the just one states that /x/ is Improper another s