-ana a-fu a-un aaaa aaab aaac aaaf aaan aaar aaba aabb aabc aaca aacb aacc aacf aacn aaco aacr aacu aafa aafb aafc aaff aana aaon aaoo aara aarc aaro aaru abaa abab abac abaf aban abar abau abb- abba abbb abbo abbr abca abcb abcc abcf abcn abcr abff abnu aboa abob abof abon aboo abor abou abra abrc abro abua abuf abun acaa acab acac acan acar acba acca accc accf acco accu acfc acoa acon acor acou acr- acra acrc acro acrr acu- acuf acuo acur afaa afan afao afar afca afcb afcc afcu affa affc affo afoa afoo afor afr- afra afrc afro afru afua ana- anaa anab anac anan anao anar anau anba anbb anbo anbu anca ancc anco anfa anfo anna annb anno ano- anoa anon anor anrc anua anub anuf anun aoba aoca aonb aono aora aorb aorn aouf aoun arab arac araf aran arar arau arba arc- arca arco arfa arfb arfc arff arfu arna arno aroa arob aron aroo aror arr- arra arrc arro arrr arru arua arub arun auaa auca aufc auna aur- aura auro baaa baaf baan baar baba babb babo babr babu bac- baca bacc bacn baco bafc baff bafo bana banc bann bano banr banu baon bar- bara barb barc barf barn baro barr baru bau- bauf baur bbau bbbb bbfc bbfn bbrc bcaa bcar bcbc bcca bccc bcfc bcnu bcof bcor bcra bcru bcuc bfca bnoc bnor bnrr boab boac boan boar boba bobb bobo bobu boca boco bocu bofa boff bofu bona bonc bonn bono bonu boob booc boof boon boor bor- bora borf born boro borr boru boua bouf boun bour brab brac braf bran brao brau brca brcb brfc brfu brna brno broa brob broc bron broo bror brou brrr bruc brun buar buba bubb bubo bubu buca bucc buco bucu bufc buff bufo bufr buna bunb bunn buno bunu buon bur- bura burb burn buro burr buru c-bo caaa caab caac caaf caan caba cabf cabo cabu cac- caca cacc caco cacr cafa cafb cafc caff cafu cana canc cann cano caor cara carb carc carf carn caro carr cauc cauf cauo cbac cbar cbbc cbca cbcc cbcn cbcr cbcu cbfb cbfc cbna cbrn ccaa ccab ccac ccaf ccar ccba ccbc ccbn ccca cccb cccc cccf cccu ccfa ccfc ccff ccna ccnb ccnc ccnf ccnr ccnu ccob ccoc ccra ccrc ccrf ccuc cfaa cfab cfac cfao cfar cfbc cfbn cfbr cfca cfcb cfcf cfcn cfco cffb cffr cfnb cfnr cfoa cfor cfra cfrb cfrn cfun cnaa cnac cnbc cnco cnfa cnna cnrc cnrr coan coba cobb cobo cobu coca coco cocu cofc coff con- cona conc conf conn cono coob coof coon cor- cora corb corc corf corn coro corr coua coub coun cour crab crac craf cran crar crau crbc crbu crca crcc crcr crfc crna crob croc cron croo cror crub crun cuan cuau cub- cuba cubb cuca cucc cucn cufa cufc cuff cufo cuna cuno cuon cura curb curf curn curo curr faaa faac faan faba fabo fabu faca facc fafa fafc faff fafo fana fanc fano fanu faon fara farb farc faro farr faru faun faur fbar fcab fcar fcba fcca fccf fcra ffar ffcc ffff ffrr ffun fnac fnar fnuf foaf foan foar foba foca foco fofo fono foof foon for- fora forb forn foro forr foua foun four frab frac fran frau frbc frcc frcn frfc frob fron frou frub frun fuar fubb fubu fuc- fuca fufc fuff fufu funa funf fuor fur- fura furn furo furr naaa naab naac naan naar naba nabc nabf nabo nabu naca nacc nacf naco nafa nafc naff nafo nan- nana nanb nann nano nanu naoc naor nara narc narf narn naro narr naru nauo naur nbaa nbaf nbar nbbc nbbo nbca nbcc nbco nbfa nbfc nbuf ncaa ncac ncar ncba ncbc ncca nccc nccf nccn nccr nccu ncfc ncna ncnc ncoa ncoc ncor ncra ncrc ncua nfaa nfcu nfff nfon nfra nnnn noaa noac noba nobc nobo nobu noco non- nona nonn nono nonu noo- noob noon nooo noor nor- nora norb norc norf norn noro norr noun nour nrab nrca nrfc nrna nroc nron nrrc nuan nuba nubc nuca nucu nuff nuna nunc nunn nuno nuoc nuon nura nurc nurn nurr nuru oaau oafc oafo oara oban obba obbo obon obor obra obro ocab ocac ocan ocbc occa occc occn ocfa ocna ocon ocra ocro ocrr ocur ofan ofcr off- offa offc offo offr offu ofna ofno ofor ofra onab onan onar onc- onca oncf onco onna onno onon onor onra onur ooaa ooba oocr ooff oona oooo oora orab orac oran orao orar orba orbb orbo orbu orca orco orff orfu orna ornc orno oro- orof oron oror orra orro orub ouac ouan oucc oufc ouff oun- ouna our- oura ourn ouro ouu- raab raaf raan raba rabb rabo rabu rac- raca racc raco racu rafa rafc raff rana ranc rann rano raob raoc rara rarb rarf raro raua raub rauc rauf raun rbaf rbbb rbbr rcac rcaf rcbc rcbo rccb rccc rcfc rcnr rcon rffc rnaf rnbr rnco roab roaf roan roar rob- roba robb robo robu roca rocc roco rofc roff rofo rona ronc rono roob roof roon roor rora rorc roro roru roua roub rouf roun rrfc rrna rrrr rrun ruan ruba rubb rubu ruca rufa rufc ruff rufo runa runc runf runn runo rura rurc ruro ruru ruun uabc uaca uafa uaoc uarc uaru uaua ubac ubar ubba ubbo uboc ubon ubra ucan ucar ucbc ucca ucfa ucfb ucon ucrc ucua ufcu uffa ufra unaa unac unan unar unau unca uncc uncf unco unna unno unon unra unrf unro uocc uofa uofo uor- urac uran urao urau urba urca urfa urff urna uro- uroa uroo urra urun urur uuno uuoc uuuu