krdr krgi krgn krib krid krik krin krio krkc krkd krki krkk krkn krko krkr krnb krnd krng krni krnk krnn krno krob kroc krod krog kroi krok kroo kror krrb krrc krrg krri krrk krrn krro krrr n-ii nbbc nbbo nbcc nbci nbco nbic ncbc ncbi nccc ncci nccn nccr ncdc ncdn ncdr ncgr ncid ncnc ncnd ncoc ncor ncrc ncri ndcc nddb nddo ndic ndoc ndor ndrc ndri ngdc ngic ngio ngon ngor ngri nibi nibo nicc nicd nici nick nico nidd nidi nido nigc nigg nigo niir nikc niki niko nind ning nini nino niog nion nioo niro nkgb nkio nkok nkor nndb nngn nnnn nobc nobi nobo noci nock noco nodi nodo nogg nogo noib noid noik noin noio noir noki noko non- nong noni nonn nono noo- noob nook noon nooo noor nor- norb norc nord norg nori nork norn noro norr nrdc nric nroc nron nrrc nrrd obbo obid obin obkb oboi obok obon obor obri obro ocbc occc occi occn ocin ocon ocro ocrr odbo odci oddd oddi odic odin odio odir odnb odon odoo odor ogb ogdc oggi ogin ogni ogod ogog ogoi ogon ogri ogro oici oick oido oigo oiii oiko oink oion okgo okic okir okko okni okno okok okon okor okro onc- oncd onco ondi ondo ongi ongo onic onir onni onno onod onon onor oobi oocr oodi ooid oooo oord orbb orbi orbo orci orco ordn ordo orgn orgo ori- oric orid orig orin orio orko ornc orni orno oro- orok oron oror orri orro rbbb rbbr rcbc rcbo rccb rccc rcdc rcgc rcic rcid rcnr rcon rcrd rcrg rdio rdoc rgbi rib- ribo ricc rick rico ridc ridd ridi rido rigg rigi rigo riin riki rikk rind ring rink rinn rino rion riri rnbr rnco rndc rnin rnod rob- robb robi robo rocc rock roco rodd rodi rodo rogg rogi rogo roid roig roik roin roio roir roki rokk roko rokr ronc rond rong roni ronk rono roob rood roog rooi rook roon roor rorc rori rork roro rrrr