2. What distinctive oppositions illustrate classificatory groups of the following consonant phonemes:
1) labial – forelingual;
2) labial – mediolingual;
3) labial – backlingual/pharyngal;
4) forelingual - mediolingual;
5) forelingual - backlingual/pharyngal;
6) plosive – fricative (labial – labial, forelingual – forelingual, backlingual – pharyngal);
7) plosive – affricate;
8) plosive – nasal;
9) fricative – constrictive sonorant;
10) fricative - affricate;
11) constrictive sonorant - occlusive sonorant.