aur- aura auro baaa baaf baal baan baar baba babb babo babr babu bac- baca bacc bacn baco bafc baff bafo bala balc balf ball balo balu bana banc bann bano banr banu baol baon bar- bara barb barc barf barn baro barr baru bau- bauf baul baur bbau bbbb bbfc bbfn bblb bbrc bcaa bcar bcbc bcca bccc bccl bcfc bcnu bcof bcor bcra bcru bcuc bfca bffl blaa blab blac blan blau blcu blfc blno blob bloc blon bloo blou blrc blub bluf blur bnoc bnor bnrr boab boac boal boan boar boba bobb bobo bobu boca boco bocu bofa boff bofu bola boll boln bolo bolu bona bonc bonn bono bonu boob booc boof bool boon boor bor- bora borf born boro borr boru boua bouf boul boun bour brab brac braf bran brao brau brca brcb brfc brfu brna brno broa brob broc brol bron broo bror brou brrr bruc brun bual buar buba bubb bubo bubu buca bucc buco bucu bufc buff bufo bufr bula bulb bull bulu buna bunb bunn buno bunu buol buon bur- bura burb burl burn buro burr buru c-bo caaa caab caac caaf caal caan caba cabf cabo cabu cac- caca cacc caco cacr cafa cafb cafc caff cafl cafu cala calc calf call calo calu cana canc cann cano caol caor cara carb carc carf carl carn caro carr cauc cauf caul cauo cbac cbal cbar cbbc cbca cbcc cbcl cbcn cbcr cbcu cbfb cbfc cblb cblc cbln cbna cbol cbrl cbrn ccaa ccab ccac ccaf ccar ccba ccbc ccbn ccca cccb cccc cccf cccl cccu ccfa ccfc ccff ccfl ccla cclc ccna ccnb ccnc ccnf ccnr ccnu ccob ccoc ccra ccrc ccrf ccrl ccuc cfaa cfab cfac cfao cfar cfbc cfbn cfbr cfca cfcb cfcf cfcl cfcn cfco cffb cffr cfln cfnb cfnr cfoa cfor cfra cfrb cfrn cfun clab claf clan clar clau clob clof clon cloo clor clou clra clro club clun cnaa cnac cnbc cnbl cnco cnfa cnna cnrc cnrr coal coan coba cobb cobo cobu coca coco cocu cofc coff col- cola colb coll coln colo colu con- cona conc conf conn cono coob coof cool coon cor- cora corb corc corf corl corn coro corr coua coub coul coun cour crab crac craf cran crar crau crbc crbu crca crcc crcr crfc crfl crlf crna crob croc crol cron croo cror crub crun cuan cuau cub- cuba cubb cuca cucc cucn cufa cufc cuff cufo cula culb culc cull culo cuna cuno cuon cura curb curf curl curn curo curr faaa faac faan faba fabo fabu faca facc fafa fafc faff fafo fala falc fall faln falo falu fana fanc fano fanu faon fara farb farc farl faro farr faru faul faun faur fbar fbla fcab fcal fcar fcba fcca fccf fcnl fcra ffar ffcc ffff ffrr ffun flab flac flan flao flcl flna flnb flnc flob floc flon floo flor flou flub fluf fluo flur fnac fnar fnlc fnuf foaf foal foan foar foba foca foco fofo fola folc foll folo folr fono foof fool foon for- fora forb forl forn foro forr foua foul foun four frab frac fran frau frbc frcc frcn frfc frla frob frol fron frou frub frun fuar fubb fubu fuc- fuca fufc fuff fufu fula full fulu funa funf fuor fur- fura furl furn furo furr laaa laac laal laan laar laba labo labr labu laca lacc lacl laco lacu lafb lafc laff lala lall lalo lalu lan- lana lanc lann lano lanu laon laou lara larb larc larf larn larr laru laub lauf laul laun laur lbar lbcc lblr lcac lcbc lcca lccc lcfc lcfr lcor lcra lcrl lfca lfcc llan llao llcc lllc llll lloa lloc lloo lncr loac loaf loan loar lob- loba lobb lobo loca locc locn loco locu lofa loff lofn lola loll lolo lona lono lonr loob looc loof lool loon loor lora lorn loro loul loun lour louu lrac lral lrba lrfc lroc lron lrrc lrrr luan luau luba luca luff lufu lula lull lulu luna lunn luno lura luua naaa naab naac naal naan naar naba nabc nabf nabl nabo nabu naca nacc nacf nacl naco nafa nafc naff nafl nafo nala nalc nall nalu nan- nana nanb nann nano nanu naoc naor nara narc narf narn naro narr naru naul nauo naur nbaa nbaf nbar nbbc nbbo nbca nbcc nbco nbfa nbfc nbfl nbuf ncaa ncac ncar ncba ncbc ncca nccc nccf nccn nccr nccu ncfc nclc ncln nclr ncna ncnc ncoa ncoc ncor ncra ncrc ncua nfaa nfcu nfff nfon nfra nlab nlcc nlcf nlra nlrb nnnn noaa noac noal noba nobc nobo nobu nocl noco nola nolf noll nolo non- nona nonn nono nonu noo- noob nool noon nooo noor nor- nora norb norc norf norn noro norr noul noun nour nrab nrca nrfc nrlb nrna nroc nron nrrc nrrl nuan nuba nubc nubl nuca nucu nuff null nuna nunc nunn nuno nuoc nuon nura nurc nurl nurn nurr nuru oaau oafc oafo oall oara obal oban obba obbo obla oblu obol obon obor obra obro ocab ocac ocal ocan ocbc occa occc occn ocfa oclc ocna ocon ocra ocrl ocro ocrr ocul ocur ofan ofcl ofcr off- offa offc offo offr offu ofla ofna ofno ofor ofra olac olaf olan olar olba olbo olca olcc olfa olla ollo olof olon olor olur onab onal onan onar onc- onca oncf onco onla onlf onna onno onon onor onra onur ooaa ooba oocr ooff oola oolo oona oooo oora orab orac oral oran orao orar orba orbb orbo orbu orca orco orff orfu orla orlo orlu orna ornc orno oro- orof oron oror orra orro orub ouac ouan oucc oufc ouff oula oulu oun- ouna our- oura ourn ouro ouu- raab raaf raan raba rabb rabl rabo rabu rac- raca racc raco racu rafa rafc raff rala ralb ralf rall ralo rana ranc rann rano raob raoc raol rara rarb rarf raro raua raub rauc rauf