a-a a-b aaa aab aad aan aar aau ab- aba abb abd abn abr abu ad- ada adb add adn adr adu an- ana anb and ann anr anu ar- ara arb ard arn arr aru au- aua aub aud aun aur b-u baa bab bad ban bar bau bba bbb bbd bbn bbr bbu bda bdb bdd bdr bdu bna bnb bnd bnn bnr bnu bra brb brd brn brr bru bua bub bud bun bur buu daa dab dad dan dar dau dba dbb dbd dbn dbr dbu dda ddb ddd ddn ddr ddu dna dnb dnd dnn dnr dra drb drd drn drr dru dua dub dud dun dur naa nab nad nan nar nau nba nbb nbd nbn nbr nbu nda ndb ndd ndn ndr ndu nna nnb nnn nnu nra nrb nrd nrn nrr nru nua nub nud nun nur nuu ra- raa rab rad ran rar rau rba rbb rbd rbn rbr rbu rda rdb rdd rdn rdr rdu rna rnb rnd rnn rnr rnu rra rrb rrd rrn rrr rru rua rub rud run rur ruu ua- uaa uab uad uan uar uau uba ubb ubn ubr ubu uda udb udd udn udr udu un- una unb und unn unr unu ur- ura urb urd urn urr uru uua uun uur uuu

-ana a-un aaaa aaab aaad aaan aaar aaba aabb aabd aada aadu aana aand aara aard aaru abaa abab abad aban abar abau abb- abba abbb abbr abda abdu abnu abra abua abud abun adaa adab adad adan adar adba adda addd addn addr addu adna adra adua adub adun adur ana- anaa anab anad anan anar anau anba anbb anbu and- anda andr anna annb anua anub anun arab arad aran arar arau arba arda ardu arna arnd arr- arra arrr arru arua arub arud arun auaa auna aur- aura aurd baaa baad baan baar baba babb babr babu bada badb badd badr badu bana band bann banr banu bar- bara barb bard barn barr baru bau- baud baur bbad bbau bbbb bbdd bd-r bdna bnrr brab brad bran brau brda brna brrr brud brun buad buar buba bubb bubu buda budb budd budu buna bunb bund bunn bunu bur- bura burb burd burn burr buru d-na daab daad daan daar daau daba dabb dabu dada dadu dana dand dann danr danu dara darb dard darn darr daru daub daud daun daur dbar dbrn dddd ddub dnaa dnab dnad dnan draa drab drad drar drau drba drda drna drra drua drub druu duaa duab duad duan duar dub- duba dubb dubu duda dudd dudu duna dunn dura durn duru duur naaa naab naad naan naar naba nabu nada nadr nadu nan- nana nanb nand nann nanu nara nard narn narr naru naur nbaa nbad nbar ndaa ndau nddb ndna nndb nnnn nrab nrna nrrd nuan nuba nuda nudd nuna nunn nura nurd nurn nurr nuru raab raad raan raba rabb rabu rada radd radr radu rana rand rann rara rarb raua raub raud raun rbbb rbbr rdna rnbr rrad rrna rrrr rrun ruad ruan ruba rubb rubu ruda rudd runa rund runn rura rurd ruru ruud ruun uaru uaua ubar ubba ubra ubud udaa udad udar udau udra udun unaa unan unar unau unbd unda unna unra urad uran urau urba urda urdu urna urra urun urur uuuu

-aaa- -abad a-dna aabaa aabba aabra aandr aandu aarau aarna abaab ababa ababu abada abana aband abann abara abarn abaru abbad abban abbar abbud abbur abdan abnub abrad abran abrar abrud abrun abuda abuna abund abura aburn aburr adaba adada adana adara adarn addra addur adnan adnur adrad adran adrar aduba aduna anaba anana anand anara anaru anaua anaun anban anbar andab andad andan andar andau andr- andra andua andur annan annar annua annur anund anura ar-ab arab- araba arada arana arand arara araru arbab arbar ardab ardan ardra ardua ardud ardun arnad arnan arnar arran arrau arrua aruaa aruba aruna arura aruru aubad aubun audad audra audru audun aund- aurad aurar aurra b-dna baard baarn baban babar babau babra babur badan badar badna badra badun badur banan banar banau banba banda bandb bandn bandu banna bannu banur baraa barab barad baran barar barba barbu barda bardu barna barra barru barua barud barun baura bauru brada bradu brana brand brann brard braud braun brdda brrar brrrr bruan brud- bruna brunn bruun buada bubba budan budda buddu budna budur bunab bunad bunan bunar bunau bunda bundu bunna bunud bunun buraa buran burda burn- burna burra burru burud burun d-a-d d-rad daada daana daara daban dabar dabba dabbu dabra dabua dabur dadar dadau dadda dadna dadra dadur danan danau danda dandd danna daraa darab darba darbu darda darna darra darur dauda daund daura ddddd draba duara duban dubar dubau dubba dubna dubra dudan dudar dudua dunan dunun durab duran durba durra naban nabar nabau nabba nabua nabur nadab nadan nadar nadun nadur nanan nanbu nanda nandu nann- nanna nanur naran narau narda narra narun narur naura nauru ndana nduru nu-nu nuabu nuada nubar nubra nudur nunan nunda nunna nunun nurar nurra nurun ra-ra raaba raard rabab rabad raban rabba rabda rabud rabun radan radar radau radun ran-d ranau randa randb randd randr randu ranna rannu ranua rauda rauna rrand ruana rubab ruban rubba rubra rudan rudar rudna rudra runan runda rundu ruran u-dub uanda uandd uarda udaan udana udand udara unadd unadu unara unaru unbad unban unbar unbud undub undun undur unnau unnun unnur unrar unrra unrun unurn uraan uraba uran- urana urban urbar uruan urubu uuand uuard uurad uuuuu

aaaaba aanaar abaana ababda abadan abanar abanda abaran abbana abburu abdaru adanur adaran adarna adarra addada adrana adrara aduadu aduana aduard adurna an-nur anaana anabaa anabad anabar anadan ananab ananda anaran anbabu anbura andada andara andard andrud andrun andura annaba annada annand annaud anuna anuran araban aradan aranda arandu ararad araua arauan arauna araura arband arbra ardana ardara arnaba arnara arnaud arraba arrand arruda aruana aruaru aruban arudan auburn audran aurana baabaa baabar baabda