nava navi navo navr navv nbaa nbar nbbc nbbo nbca nbcc nbci nbco nbia nbic ncaa ncac ncar ncba ncbc ncbi ncca nccc ncci nccn nccr ncga ncgr ncia ncna ncnc ncoa ncoc ncor ncra ncrc ncri ngab ngac ngai ngan ngao ngia ngic ngio ngon ngor ngri niab niac nian nibi nibo nica nicc nici nico nigc nigg nigo niia niir nina ning nini nino niog nion nioo nira niro nirv niva nivo nivr nngn nnnn noaa noac noba nobc nobi nobo noci noco noga nogg nogo noia noib noin noio noir non- nona nong noni nonn nono noo- noob noon nooo noor noov nor- nora norb norc norg nori norn noro norr norv nov- nova novi novo nrab nrca nric nrna nroc nron nrrc nvcc nvir oaic oara obai oban obba obbo obia obin oboi obon obor obra obri obro obvi ocab ocac ocan ocbc occa occc occi occn ocga ocin ocna ocon ocra ocro ocrr ogai ogar ogb ogba oggi ogin ogna ogni ogoa ogog ogoi ogon ogra ogri ogro oiav oiba oici oigo oiii oion oira onab onan onar onc- onca onco onga ongi ongo onia onic onir onna onni onno onon onor onra ooaa ooba oobi oocr ooia oona oooo oora orab orac orai oran orao orar orav orba orbb orbi orbo orca orci orco orga orgn orgo ori- oria oric orig orin orio orna ornc orni orno oro- oron oror orra orri orro orvr ovan ovar ovi- ovni ovo- ovon ovoo ovra raab raag raan raba rabb rabi rabo rac- raca racc raci raco racv raga ragg ragi rago raia raic raig raii rain rair rana ranc rang rani rann rano raob raoc rara rarb rari raro rava ravi rbbb rbbr rcac rcbc rcbo rccb rccc rcga rcgc rcic rcnr rcon rcrg rcvr rgan rgba rgbi riaa riab riai rian rib- riba ribo rica ricc rico riga rigg rigi rigo riia riin rina ring rinn rino rion riri riva rivo rnag rnai rnbr rnco rnin roab roag roan roar rob- roba robb robi robo roca rocc roco roga rogg rogi rogo roia roig roin roio roir rona ronc rong roni rono roob roog rooi roon roor rora rorc rori roro rova rovi rovo rrna rrrr rv-c rvca vaan vaar vaca vaco vag- vaga vagg vagi vagn vaia vaig vain vaio vair vana vanc vang vani vann vano vara varg vari varn varr vava vbcc vbrg vcbi vcci vcon vgcc viag vian viar vic- vica vici vico viga vigo vigr viii vina vinc ving vini vino vion vira virb virc virg viri viro virr viva vivi vivo vnav vnbg vnir voar voca voga voia voic voin voio voir vona voni vonn vooc voog voor vor- vora vori voro vrac vrai vran vrav vrba vrci vria vrin vrio vrnn vroc vron vvob vvog vvvv