nccr nccu ncgr nchc ncmh ncmi ncmm ncnc ncoc ncor ncrc ncri ngic ngio ngmn ngom ngon ngor ngou ngri ngur nguu nhcc nhmc nhnn nhon nhrc nibi nibm nibo nicc nich nici nico nicu nigc nigg nigh nigo niir niiu nimb nimc nimh nimi nimo nimr nimu ning ninh nini nino niog nioh nion nioo niou niro niru niur nmic nmmc nmnh nmoc nmon nmrc nmri nngn nnmc nnnn nobc nobi nobm nobo nobu noch noci noco nogg nogh nogo nohn noho noib noin noio noir nom- nomi nomo nomu non- nong noni nonn nono nonu noo- noob noon nooo noor nor- norb norc norg nori norm norn noro norr nouh noun nour nric nroc nron nrrc nubc nubi nuch nuci nucu nuhi nuim nuin numb numi numm numu nunc nung nunn nuno nuoc nuon nurc nuri nurn nurr nuru obbo obin oboi obon obor obrh obri obro obuh ocbc occc occi occn ochi ocin ocom ocon ocro ocrr ocum ocur ogb oggi oghi ogin ogni ogog ogoi ogon ogou ogri ogro ogui ogum ogun ohcc ohgr ohhi ohho ohio ohno ohob ohoh ohrn ohum oici oigo oiii oimb oion oium ombo ombu omic omim omin omio omn- omni omo- omoi omon omoo omor omri omro omuo onc- onco ongi ongo ongu onic onir onni onno onon onor onur oobi oocr ooho oooh oooo orbb orbi orbo orbu orch orci orco orgn orgo ori- oric orig orin orio ormn ormo ornc orni orno oro- orom oron oror orri orro orub orum oucc ouch ough ouii ouin ouir oumi oun- oung our- ourn ouro ouu- rbbb rbbr rbgh rboh rcbc rcbo rccb rccc rcgc rchb rchm rcic rcnr rcon rcrg rgbi rhbg rhcg rhcm rhib rhim rhin rhio rhob rhoc rhog rhoh rhon rhug rhum rhun rib- ribo ribu ricc rich rico rigg righ rigi rigo rigu riho riin rimi rimm rimo rimu ring rinn rino riom rion riou riri rmon rmrg rnbr rnco rnin rob- robb robi robo robu rocc roch roco rogg rogh rogi rogo rohm rohn rohr rohu roig roin roio roir roiu romb romi romm romo ronc rong roni rono roob roog rooi room roon roor rorc rori roro roru roub rouh roum roun rrmc rrrr rrum rrun rubb rubi rubu ruch ruci rugg rugh rugi ruhh ruhi ruhm ruhn ruhr ruin rumb rumi rumm rumo runc rung runi runn runo rurc ruri ruro ruru ruun ubbi ubbo ubic ubii ubir uboc ubon ucbc ucci uchi ucho ucin ucio ucmc ucom ucon ucrc ugcc ugcg uggo ughi ugni ugri ugro ugur uguu uhno uhoh uhuh uirr umb- umbi umbo umgo ummg ummo umno umor umri uncc uncg unch unci unco ungo ungu uni- unic unii unin unio unir unmc unmr unni unno unon unro unum uocc uomo uor- urbi urch urci urgh urgi urgu urho urib uric urim urin uriu urmi urni uro- urom uroo urrh urri urum urun urur uuni uuno uuoc uuri uuuu