N | NACS | NAFD | NALT | NASB | NASS | NASV | NBMU |
NDI | NEB | NEST | NFO | NFS | NHVH | NIC | NICO |
NINO | NJUD | NMFB | NNOA | NO | NOB | NODI | NOF |
NOFA | NOLA | NOPL | NORA | NORB | NORD | NORE | NORH |
NORR | NORS | NOS | NOSJ | NOV | NPHA | NR | NRBI |
NSB2 | NSN | NUB | NUBD | NUBE | NUTE | NV | NVO |
NYBR | NYGB | NYIN | NYKB | NYKH | NYKO | NYKS | NYKV |
NYKÖ | NYNÄ | NYST | NÄSB | NÖDI |