gorr gou- goug goun gour grab grac grae gran grau grbr grcc grce grea greb grec gree greg gren greu grob groc grog gron groo gror grou grrr grua grub grue grug grun grur guaa guac guag guan guao guar guba gubb gubu guca guen guer guga gugb guge gugg gugu guna gung gunn gura gurb gure gurg gurn guro gurr guru naaa naab naac naag naan naar naba nabc nabe nabo nabu naca nacc nace naco naea naga nagc nage nago nagu nan- nana nanb nane nang nann nano nanu naoc naor nara narc nare narg narn naro narr naru naue nauo naur nbaa nbar nbbc nbbo nbca nbcc nbco nber ncaa ncac ncar ncba ncbc ncca nccc nccn nccr nccu ncea ncec ncee ncen ncer ncga ncgr ncna ncnc ncoa ncoc ncor ncra ncrc ncre ncua ncue neab neac nean near neau neba nebb nebe nebn nebo nebr nebu neca necc nece neco necr neea neeb neen neer nega nege nego nena nene neng neno nenu neo- neoc neon neoo nera nerc nere nero nerr neru neua neuc neue neun neuo neur neuu ngab ngac ngan ngao ngen nger ngon ngor ngou ngur nguu nngn nnnn noaa noac noae noba nobc nobo nobu noce noco noer noga nogg nogo non- nona none nong nonn nono nonu noo- noob noon nooo noor nor- nora norb norc nore norg norn noro norr noun nour nrab nrca nren nrna nroc nron nrrc nuan nuba nubc nube nuca nuce nucu nuee nuer nuna nunc nune nung nunn nuno nuoc nuon nura nurc nure nurn nurr nuru o-eo oaau oaer oara oare oban obba obbo obea obec oben ober oboe obon obor obra obre obro ocab ocac ocan ocbc occa occc occn oce ocee ocga ocna ocon ocra ocre ocro ocrr ocur oec- oeca oecc oeec oegb oen- oeno oera oere ogae ogar ogb ogba ogbe ogea ogee ogen oger ogge ogna ogoa ogog ogon ogou ogra ogre ogro ogun onab onan onar onc- onca once onco one- onea oneb onec onee oneg oneo oner onga onge ongo ongu onna onne onno onon onor onra onue onur ooaa ooba oobe oocr ooer oona oone oooo oora oore orab orac orae oran orao orar orba orbb orbe orbo orbu orca orce orco ore- orea oreb orec oreg oren oreo orer orga orge orgn orgo orna ornc orne orno oro- oroe oron oror orra orro orub ouac ouan oucc ouea ouen ouer ouge oun- ouna oune oung our- oura oure ourn ouro ouu- raab raag raan raba rabb rabe rabo rabu rac- raca racc race raco racu raec raeg raen raer raga rage ragg rago ragu rana ranc rane rang rann rano raob raoc rara rarb rare raro raua raub rauc raue raun rbbb rbbr rcac rcbc rcbo rccb rccc rcga rcgc rcnr rcon rcrg rea- reac reae rean reao rear reau reba rebb rebe rebo rebu reca recc rece recr recu reeb reen rega rege regn rego regr regu rena rene reng renn reno renu reog reou rera rere rerg rero reru reue reuu rgan rgba rgbe rnag rnbr rnco roab roag roan roar rob- roba robb robe robo robu roca rocc roce roco roea roeg roen roer roga roge rogg rogo rona ronc rone rong rono roob roog roon roor rora rorc rore roro roru roua roub roue roun rrna rrrr rrun ruag ruan ruba rubb rube rubu ruca ruce ruen ruer ruga ruge rugg runa runc rune rung runn runo rura rurc rure ruro ruru ruun uabc uaca uang uaoc uarc uaru uaua ubac ubar ubba ubbe ubbo uber uboc ubon ubra ucan ucar ucbc ucca ucea ucon ucrc ucua ueba ueno ugab ugao ugar ugcc ugcg ugeo uggo ugne ugra ugro ugur uguu unaa unac unan unar unau unbe unca uncc unce uncg unco uneb unec unee unen uner unga ungo ungu unna unne unno unon unra unro uocc uone uor- uore urac uran urao urau urba urbe urca ure- urea urga urge urgu urna urne uro- uroa uroo urra urre urun urur uuen uuno uuoc uuuu