a-a a-b a-t aaa aab aaf aan aao aar aat aau ab- aba abb abf abn abo abr abt abu af- afa afb aff afn afo afr aft afu an- ana anb anf ann ano anr ant anu aoa aob aof aon aoo aor aot aou ar- ara arb arf arn aro arr art aru at- ata atb atf atn ato atr att atu au- aua aub auf aun auo aur aut b-u baa bab baf ban bao bar bat bau bba bbb bbf bbn bbo bbr bbt bbu bfa bfb bff bfn bfo bfr bft bfu bna bnb bnf bnn bno bnr bnt bnu boa bob bof bon boo bor bot bou bra brb brf brn bro brr brt bru bta btb btf btn bto btr btt btu bua bub buf bun buo bur but buu faa fab faf fan fao far fat fau fba fbb fbf fbn fbo fbr fbt fbu ffa fff ffn ffo ffr fft ffu fna fnb fnf fnn fnr fnt fnu foa fob fof fon foo for fot fou fra frb frf frn fro frr frt fru fta ftb ftf ftn fto ftr ftt ftu fua fub fuf fun fuo fur fut fuu naa nab naf nan nao nar nat nau nba nbb nbf nbn nbo nbr nbt nbu nfa nfb nff nfn nfo nfr nft nfu nna nnb nnf nnn nno nnt nnu no- noa nob nof non noo nor not nou nra nrb nrf nrn nro nrr nrt nru nta ntb ntf ntn nto ntr ntt ntu nua nub nun nuo nur nut nuu oaa oab oaf oan oao oar oat oau ob- oba obb obf obn obo obr obt obu of- ofa ofb off ofn ofo ofr oft ofu on- ona onb onf onn ono onr ont onu oo- ooa oob oof oon ooo oor oot or- ora orb orf orn oro orr ort oru ot- ota otb otf otn oto otr ott otu ou- oua ouf oun ouo our out ra- raa rab raf ran rao rar rat rau rba rbb rbf rbn rbo rbr rbt rbu rfa rfb rff rfn rfo rfr rft rfu rna rnb rnn rno rnr rnt rnu roa rob rof ron roo ror rot rou rra rrb rrf rrn rrr rrt rru rta rtb rtf rtn rto rtr rtt rtu rua rub ruf run ruo rur rut ruu taa tab taf tan tao tar tat tau tba tbb tbf tbn tbo tbr tbt tbu tfa tfb tff tfn tfo tfr tft tfu tna tnb tnf tnn tno tnr tnt to- toa tob tof ton too tor tot tou tra trb trf trn tro trr trt tru tta ttb ttf ttn tto ttr ttt ttu tua tub tuf tun tuo tur tut tuu ua- uaa uab uaf uan uao uar uat uau uba ubb ubf ubn ubo ubr ubt ubu ufa uff ufn ufo ufr uft ufu un- una unb unf unn uno unr unt unu uoa uob uon uoo uor uot ur- ura urb urf urn uro urr urt uru uta utb utf utn uto utr utt utu uua uun uur uut uuu

-ana a-fu a-un aaaa aaab aaaf aaan aaar aaba aabb aabt aafa aafb aaff aana aaon aaoo aara aaro aart aaru aata aatf aatt abaa abab abaf aban abar abat abau abb- abba abbb abbo abbr abbt abff abnu aboa abob abof abon aboo abor abot abou abra abro abta abtu abua abuf abun abut afaa afan afao afar afat affa affo afft afoa afoo afor afr- afra afro afru afta aftn afua ana- anaa anab anan anao anar anat anau anba anbb anbo anbu anfa anfo anna annb anno annt ano- anoa anon anor ant- anta anto antr antt antu anua anub anuf anun anut aoba aonb aono aont aora aorb aorn aort aotf aouf aoun aout arab araf aran arar arat arau arba arfa arfb arff arft arfu arna arno arnt aroa arob aron aroo aror arr- arra arro arrr arrt arru arta arto artr arua arub arun arut at-t ataa atab atan atar atat atfb atna atno atob atof aton ator atot atra atrn atro atru atta attn atto attr attu atua atub atun atur auaa auna aunt aur- aura auro aut- auto baaa baaf baan baar baat baba babb babo babr babu baff bafo baft bana bann bano banr bant banu baon bar- bara barb barf barn baro barr bart baru bata batf batn bato batt batu bau- bauf baur bbau bbbb bbfn bfta bftt bnor bnrr bnta boab boan boar boat boba bobb bobo bobu bofa boff bofu bona bonn bono bont bonu boob boof boon boor boot bor- bora borf born boro borr bort boru bota botb botn boto bott boua bouf boun bour bout brab braf bran brao brat brau brfu brna brno broa brob bron broo bror brot brou brrr brun brut btaa btaf btan btob btor btrt bttb buar buat buba bubb bubo bubu buff bufo bufr buna bunb bunn buno bunt bunu buon bur- bura burb burn buro burr burt buru but- buta buto butt faaa faan faba fabo fabu fafa faff fafo fana fano fant fanu faon fara farb faro farr fart faru fata fatf fato fatt faun faur faut fbar ffar ffff ffrr fftf ffun fnar fnta fntb fnuf foaf foan foar foba fobt fofo fono font foof foon foot for- fora forb forn foro forr fort fota foto fott foua foun four fout frab fran frat frau frob fron frot frou frta frub frun ftan ftub fuar fuat fubb fubu fuff fufu funa funf funt fuor fur- fura furn furo furr furt futa futo futu naaa naab naan naar naat naba nabf nabo nabu nafa naff nafo nan- nana nanb nann nano nant nanu naor naot nara narf narn naro narr nart naru nata nato natt natu nauo naur naut nbaa nbaf nbar nbbo nbfa nbuf nfaa nfat nfff nfon nfra nfta nfto nnnn nnot nntn noaa noat noba nobo nobu non- nona nonn nono nont nonu noo- noob