The standard first-declension nouns were described here. The first variant of the first-declension pattern is a short alpha found in the nominative, vocative and the accusative singular.
This group of first declension nouns have nominatives that end in -α, whether the stem ends in ε, ι or ρ or not. First declension nouns in -α are declined with the following endings:
but ε, ι or ρ
|after ε, ι or ρ|
* As with other nouns, take the genitive singular form (which can be found in a proper dictionary entry) and remove the ending; to that stem add the appropriate ending for the case and number required.
Differences from standard first-declension nouns can be seen in blue. Otherwise, the rules for accentuation remain consistent with other first-declension nouns.