dit

1. it, this, that (subject and object)
2. it, this, that (subject and object)
3. it, this, that (subject and object)

is

1. am, are, is (present tense, all persons, plural and singular of wees, to be)
2. Forms the perfect passive voice when followed by a past participle

'n

a, an

nag

1. The period between sunset and sunrise, when the sky is dark; night.
2. darkness.