A OR AN
a European
a ewe
a ewer
a herb
a herbal
a heroic
a hospital
a humble
a unanimous
a uniform
a union
a unique
a universal
a university
a useful
a usurper
an habitual[36]
an heir
an heirloom
an historical[{36}]
an honest
an honour
an hotel
an hour
Print a, not an, before contractions beginning with a consonant: e.g. a L.C.C. case, a MS. version.