"nawit" is underlying and "nawic" occurs in inflected forms), but apicalization explains the variation between alveolar /t/ and dental /t̪/ (contrastive but both apical) in surface forms with an underlying non-apical, and does not predict/generate as many invalid forms as does the laminalization model.The first major lexical class in Lardil is its verbs, which may be subclassified as intransitive, transitive, and intransitive- and transitive complemented.