Rules of the surface morphological component, a subset of which include morphophonemic rules, map the SMorphR onto a phonetic representation [ �Y ?uz an bjlz fit ].
2.
Stieber's Law ( stating that phonemic contrasts in a language can only be produced by regular sound laws or borrowing, but not as a result of analogical changes in morphophonemic rules ) was first formulated in 1938.
3.
The Nitsch-Trnka-Stieber Law ( stating that phonemic contrasts in a language can only be produced by regular sound laws or borrowing, but not as a result of analogical changes in morphophonemic rules ) remains a matter of debate today ( cf.