1). street pre direction, in NENA standard, should be full words, such as, North; South; East; West; Northeast; Northwest; Southeast; Southwest
https://cdn.ymaws.com/www.nena.org/resource/resmgr/standards/nena-sta-006.2a_ng9-1-1_gis_.pdf
2). Client require abbreviation, follow client request
3) nena standard about street type, pre-type, post-type, all use full word
http://technet.nena.org/nrs/registry/StreetNamePreTypesAndStreetNamePostTypes.xml
4). nena standard about street type
5). Client require abbreviation, follow client request
https://pe.usps.com/text/pub28/28apc_002.htm
6) unit type in nena standard
Unit abbreviation
https://pe.usps.com/text/pub28/28apc_003.htm