a-a a-b aaa aab aaf aag aah aan aao aar aau ab- aba abb abf abg abh abn abo abr abu af- afa afb aff afg afh afn afo afr afu ag- aga agb agf agg agh agn ago agr agu aha ahb ahf ahg ahh ahn aho ahr ahu an- ana anb anf ang anh ann ano anr anu aoa aob aof aog aoh aon aoo aor aou ar- ara arb arf arg arh arn aro arr aru au- aua aub auf aug auh aun auo aur b-u baa bab baf bag bah ban bao bar bau bba bbb bbf bbg bbh bbn bbo bbr bbu bfa bfb bff bfg bfh bfn bfo bfr bfu bga bgb bgf bgg bgh bgn bgo bgr bgu bha bhb bhf bhg bhh bho bhr bhu bna bnb bnf bng bnn bno bnr bnu boa bob bof bog boh bon boo bor bou bra brb brf brg brh brn bro brr bru bua bub buf bug buh bun buo bur buu faa fab faf fag fah fan fao far fau fba fbb fbf fbg fbh fbn fbo fbr fbu ffa fff ffg ffh ffn ffo ffr ffu fga fgb fgf fgg fgh fgn fgr fha fhb fhf fhg fhh fhn fho fhr fna fnb fnf fng fnh fnn fnr fnu foa fob fof fog foh fon foo for fou fra frb frf frg frh frn fro frr fru fua fub fuf fug fun fuo fur fuu gaa gab gaf gag gah gan gao gar gau gba gbf gbg gbh gbn gbo gbr gbu gfa gfb gff gfh gfo gfr gga ggb ggg ggh ggn ggo ggr ggu gha ghb ghg ghh ghn gho ghr gna gnb gnf gnn gno gnr gnu goa gob gof gog goh gon goo gor gou gra grb grf grg grh grn gro grr gru gu- gua gub guf gug gun guo gur guu haa hab haf hag hah han hao har hau hba hbb hbf hbg hbh hbn hbo hbr hbu hfa hfb hff hfg hfh hfn hfo hfr hfu hga hgb hgf hgg hgh hgn hgo hgr hgu hha hhb hhf hhg hhh hhn hho hhr hhu hna hnb hnf hng hnh hnn hno hnu hoa hob hof hog hoh hon hoo hor hou hr- hra hrb hrf hrg hrh hrn hro hrr hru hua hub huf hug huh hun huo hur huu naa nab naf nag nah nan nao nar nau nba nbb nbf nbg nbn nbo nbr nbu nfa nfb nff nfn nfo nfr nfu nga ngb ngf ngg ngh ngn ngo ngu nha nhb nhf nhg nhh nhn nhr nhu nna nnb nnf nng nnh nnn nno nnu no- noa nob nof nog noh non noo nor nou nra nrb nrf nrg nrn nro nrr nru nua nub nug nuh nun nuo nur nuu oaa oab oaf oag oah oan oao oar oau ob- oba obb obf obg obh obn obo obr obu of- ofa ofb off ofg ofn ofo ofr ofu oga ogf ogg ogh ogn ogo oha ohf ohg ohh ohn oho ohr ohu on- ona onb onf ong onh onn ono onr onu oo- ooa oob oof oog ooh oon ooo oor or- ora orb orf org orh orn oro orr oru ou- oua ouf ouh oun ouo our ra- raa rab raf rag rah ran rao rar rau rba rbb rbf rbg rbh rbn rbo rbr rbu rfa rfb rff rfg rfh rfn rfo rfr rfu rga rgb rgf rgg rgh rgn rgo rgr rh- rha rhb rhf rhg rhh rhn rho rhr rhu rna rnb rng rnh rnn rno rnr rnu roa rob rof rog roh ron roo ror rou rra rrb rrf rrg rrh rrn rrr rru rua rub ruf rug ruh run ruo rur ruu ua- uaa uab uaf uag uah uan uao uar uau uba ubb ubf ubg ubh ubn ubo ubr ubu ufa uff ufg ufh ufn ufo ufr ufu uga ugb ugf ugg ugh ugn ugo ugr ugu uha uhb uhf uhh uho uhr uhu un- una unb unf ung unh unn uno unr unu uoa uob uog uon uoo uor ur- ura urb urf urg urn uro urr uru uua uug uun uur uuu

-ana -hou a-fu a-ha a-un aaaa aaab aaaf aaah aaan aaar aaba aabb aabh aafa aafb aaff aagh aaha aana aang aaon aaoo aara aaro aaru abaa abab abaf abag aban abar abau abb- abba abbb abbo abbr abff abha abho abhr abnu aboa abob abof aboh abon aboo abor abou abra abro abua abuf abug abun afaa afan afao afar affa affo afgf afgh afoa afog afoo afor afr- afra afro afru afua ag-o agag agan agao agar agau agba agbo agfa agga aggu agha agna agno agob agog agon agoo agou agra agro agua agun agur ahab ahah ahar ahau ahfa ahha ahoa ahog ahor ahra ahrr ahua ahug ahun ana- anaa anab anag anah anan anao anar anau anba anbb anbo anbu anfa anfo ang- anga ango angu anha anna annb anno ano- anoa anon anor anua anub anuf anun aoah aoba aonb aono aora aorb aorn aouf aoun arab araf arag arah aran arar arau arba arbh arfa arfb arff arfu arga argb argh argo arh- arna arng arno aroa arob aron aroo aror arr- arra arrg arrh arro arrr arru arua arub arug arun auaa auga auna aung aur- aura auro auug baaa baaf baah baan baar baba babb babo babr babu baff bafo baga bagg bagh bagn bago baha bahn baho bahr bahu bana bang banh bann bano banr banu baoh baon bar- bara barb barf barg barh barn baro barr baru bau- bauf baug baur bbau bbbb bbfn bbga bbng bbrg bfgf bgan bgon bgun bhag bhan bhao bhar bhff bhog bhor bhra bhur bhuu bnor bnrr boab boag boan boar boba bobb bobo bobu bofa boff bofh bofu boga bogg bogh bogo boha bohn boho bohr bohu bona bong bonn bono bonu boob boof boog booh boon boor bor- bora borf