part
-
pot.
The distribution of some members of the given oppositions
is limited. For example, /u:/ seldom occurs word-initially; /и/ does
not occur word initially; /е/, /о/, /и/,
/
зе
/, /
л
/
never occur at the end
of words; /
0
/ never occurs word finally. Therefore, the functional
load of those oppositions in which /и/, /е/, /о/ take part are lower
than the other oppositions.
The oppositions
la:
-
0
/ and
/л
- о:/ may be regarded as sin
gle only on condition that /a:/ is defined as a back-advanced
vowel and /л/ as a low-narrow vowel. These alternations do not
seem to describe more precisely the actual tongue positions in
pronouncing /a:/ and
Ы
but make the oppositions more symmet
ric1.
The following nine single oppositions are based on the ver
tical movement of the tongue:
a) high-narrow - high-broad:
li:
-
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