[with dative] on, upon (positioned at the top of)
[with accusative] on, onto, up (moving to the top of)
[with accusative] on (indicating responsibility)
[with dative] in, at; used with certain nouns instead of bei or in
[with accusative] to; used with certain nouns instead of zu or in
in (see usage note below)
in (of a word: ending with some sound or syllable)
(Germany,Northern,Western,archaic,colloquial,regional) on (a day; usually of the week)
[with accusative] for (during the continuation of)
[with accusative] to, for (indicating purpose, goal or wish)
[with accusative] by (used to separate dimensions when describing the size of something)

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