The twenty-eighth letter of the Polish alphabet, called wu and written in the Latin script.

denotes inessive position; in, at, on [+locative]
denotes position in time; in, on [+locative] or sometimes [+accusative]
denotes state; in [+locative]
denotes approximate position; at [+locative]
denotes illative movement; into, in, to [+accusative]
denotes a change of state; into [+accusative]
used in some noun constructions to denote "in the pattern of" decorated with [+accusative]
denotes length of time; within, in the space of, in [+accusative]
denotes an amount or number; in, as, in a group of [+accusative]