a-a a-b a-z aaa aab aad aaf aan aar aau aaz ab- aba abb abd abf abn abr abu abz ad- ada adb add adf adn adr adu adz af- afa afb afd aff afn afr afu afz an- ana anb and anf ann anr anu anz ar- ara arb ard arf arn arr aru arz au- aua aub aud auf aun aur auz az- aza azb azd azf azn azu azz b-u baa bab bad baf ban bar bau baz bba bbb bbd bbf bbn bbr bbu bda bdb bdd bdf bdr bdu bdz bfa bfb bfd bff bfn bfr bfu bfz bna bnb bnd bnf bnn bnr bnu bnz bra brb brd brf brn brr bru brz bua bub bud buf bun bur buu buz bza bzd bzf bzn bzr bzu bzz daa dab dad daf dan dar dau daz dba dbb dbd dbf dbn dbr dbu dbz dda ddb ddd ddf ddn ddr ddu ddz dfa dfb dfd dff dfn dfr dfu dfz dna dnb dnd dnf dnn dnr dnz dra drb drd drn drr dru drz dua dub dud duf dun dur duz dza dzb dzd dzr dzu faa fab fad faf fan far fau faz fba fbb fbd fbf fbn fbr fbu fda fdb fdd fdf fdn fdr fdu ffa ffd fff ffn ffr ffu ffz fna fnb fnd fnf fnn fnr fnu fnz fra frb frd frf frn frr fru fua fub fud fuf fun fur fuu fzd naa nab nad naf nan nar nau naz nba nbb nbd nbf nbn nbr nbu nda ndb ndd ndf ndn ndr ndu nfa nfb nfd nff nfn nfr nfu nna nnb nnf nnn nnu nnz nra nrb nrd nrf nrn nrr nru nrz nua nub nud nun nur nuu nzb nzd nzf nzz ra- raa rab rad raf ran rar rau raz rba rbb rbd rbf rbn rbr rbu rda rdb rdd rdf rdn rdr rdu rfa rfb rfd rff rfn rfr rfu rfz rna rnb rnd rnn rnr rnu rnz rra rrb rrd rrf rrn rrr rru rua rub rud ruf run rur ruu ruz rza rzb ua- uaa uab uad uaf uan uar uau uaz uba ubb ubf ubn ubr ubu uda udb udd udf udn udr udu ufa ufd uff ufn ufr ufu un- una unb und unf unn unr unu ur- ura urb urd urf urn urr uru urz uua uun uur uuu uza uzb uzu zaa zab zad zaf zan zar zaz zbb zbr zdf zfa zfd zfn zfr znd znn zub zud zun zur zuz zzr zzz

-ana a-fu a-un aaaa aaab aaad aaaf aaan aaar aaba aabb aabd aada aadu aafa aafb aafd aaff aana aand aara aard aaru abaa abab abad abaf aban abar abau abb- abba abbb abbr abda abdu abff abnu abra abua abud abuf abun abza abzu adaa adab adad adan adar adba adda addd addn addr addu adfa adna adra adua adub adun adur afaa afad afan afar afdb affa afr- afra afru afua afud ana- anaa anab anad anan anar anau anaz anba anbb anbu and- anda andr anfa anna annb anua anub anuf anun anza anzu arab arad araf aran arar arau arba arda ardf ardu arfa arfb arff arfu arna arnd arr- arra arrr arru arua arub arud arun arza arzu auaa auna aur- aura aurd aza- azab azad azan azar azaz azna azra azua azud azur azza baaa baad baaf baan baar baaz baba babb babr babu bada badb badd badr badu baff bana band bann banr banu banz bar- bara barb bard barf barn barr baru barz bau- baud bauf baur baza bbad bbau bbbb bbdd bbfn bd-r bdna bduf bnrr brab brad braf bran brau braz brda brfu brna brrr brud brun bruz brza buad buar buba bubb bubu buda budb budd budu buff bufr buna bunb bund bunn bunu bunz bur- bura burb burd burn burr buru burz buuz buza buzz bzzz d-na daab daad daan daar daau daba dabb dabu dada dadu dafa daff dana dand dann danr danu danz dara darb dard darf darn darr daru darz daub daud daun daur dazu dazz dbar dbrn dddd ddub dfaf dffa dfrf dnaa dnab dnad dnan draa drab drad draf drar drau drba drda drna drra drua drub druu duaa duab duad duan duar dub- duba dubb dubu duda dudd dudu duff dufu duna dunn dura durn duru duur dzar dzbb dzbf dzbn dzrr dzud dzur faaa faad faan faba fabd fabu fada fadd fafa faff fana fand fanu fara farb fard farr faru farz faud faun faur faza fbar ffar ffff ffrr ffun fnar fndd fndn fndr fnuf frab frad fran frau frub frun fruz frzb fuad fuar fubb fubu fuda fudd fuff fufu funa fund funf fur- fura furn furr fuzz fzdz naaa naab naad naan naar naba nabf nabu nada nadf nadr nadu nafa naff nan- nana nanb nand nann nanu nara nard narf narn narr naru narz naur naza nazz nbaa nbad nbaf nbar nbfa nbuf ndaa ndau nddb ndfa ndna ndrf nfaa nfda nfff nfra nndb nnnn nrab nrna nrrd nuan nuba nuda nudd nuff nuna nunn nura nurd nurn nurr nuru nzar nzda nzdf nzra nzrb raab raad raaf raan raaz raba rabb rabu rada radd radr radu rafa raff rafz rana rand rann ranz rara rarb rarf rarz raua raub raud rauf raun raza razr razz rbaf rbbb rbbr rdfa rdna rnaf rnbr rndf rrad rrna rrrr rrun ruad ruan ruba rubb rubu ruda rudd rufa ruff runa rund runf runn rura rurd ruru ruud ruun ruza rzab uafa uaru uaua ubar ubba ubra ubud udaa udad udar udau udra udun uffa ufra unaa unan unar unau unbd unda unfd unna unra unrf unuz urad uran urau urba urda urdu urdz urfa urff urna urra urun urur uruz urza uuuu uzan uzda uzun zaan zaar zaba zabr zabu zada zafu zana zand zann zara zarb zard zarf zarr zaru zaun zaur zaza zazu zbar zdar zubr zubu zunz zura zurb