http://en.wikipedia.org/wiki/English_prefixes http://en.wikipedia.org/wiki/English_prefixes English prefixes English prefixes http://en.wikipedia.org/wiki/English_prefixes http://en.wikipedia.org/wiki/English_prefixes English prefixes this the a- prefix http://en.wikipedia.org/wiki/English_prefixes http://en.wikipedia.org/wiki/English_prefixes the a- prefix the a- prefix http://en.wikipedia.org/wiki/English_prefixes