a-a a-b aaa aab aaf aan aao aar aav ab- aba abb abf abn abo abr abv af- afa afb aff afn afo afr afv an- ana anb anf ann ano anr anv aoa aob aof aon aoo aor aov ar- ara arb arf arn aro arr arv av- ava avb avf avn avo avr baa bab baf ban bao bar bav bba bbb bbf bbn bbo bbr bfa bfb bff bfn bfo bfr bfv bna bnb bnf bnn bno bnr bnv boa bob bof bon boo bor bov bra brb brf brn bro brr brv bva bvb bvn bvo bvr bvv faa fab faf fan fao far fav fba fbb fbf fbn fbo fbr ffa fff ffn ffo ffr ffv fna fnb fnf fnn fnr fnv foa fob fof fon foo for fra frb frf frn fro frr fva naa nab naf nan nao nar nav nba nbb nbf nbn nbo nbr nbv nfa nfb nff nfn nfo nfr nfv nna nnb nnf nnn nno nnv no- noa nob nof non noo nor nov nra nrb nrf nrn nro nrr nrv nva nvb nvn nvv oaa oab oaf oan oao oar oav ob- oba obb obf obn obo obr obv of- ofa ofb off ofn ofo ofr ofv on- ona onb onf onn ono onr oo- ooa oob oof oon ooo oor oov or- ora orb orf orn oro orr orv ov- ova ovb ovf ovo ovv ra- raa rab raf ran rao rar rav rba rbb rbf rbn rbo rbr rfa rfb rff rfn rfo rfr rfv rna rnb rnn rno rnr rnv roa rob rof ron roo ror rov rra rrb rrf rrn rrr rva rvb rvf rvn rvo rvr rvv v-a vaa vab van vao var vav vba vbo vbr vbv vfa vfb vff vfn vfr vfv vn- vna vnf vno vnr vnv voa vob vof von voo vor vov vra vrb vrf vrn vrr vva vvb vvo vvr vvv

-ana aaaa aaab aaaf aaan aaar aaav aaba aabb aafa aafb aaff aana aaon aaoo aara aaro aava abaa abab abaf aban abar abb- abba abbb abbo abbr abff aboa abob abof abon aboo abor abov abra abro abva afaa afan afao afar affa affo afoa afoo afor afr- afra afro ana- anaa anab anan anao anar anba anbb anbo anfa anfo anna annb anno ano- anoa anon anor aoba aonb aono aora aorb aorn arab araf aran arar arba arfa arfb arff arna arno aroa arob aron aroo aror arr- arra arro arrr arva arvn arvo avab avan avao avar avon avor avra avro avva avvo baaa baaf baan baar baba babb babo babr baff bafo bana bann bano banr baon bar- bara barb barf barn baro barr bava bbbb bbfn bnor bnrr boab boan boar boba bobb bobo bofa boff bona bonn bono boob boof boon boor bor- bora borf born boro borr bova bovo brab braf bran brao brav brna brno broa brob bron broo bror brrr faaa faan faba fabo fafa faff fafo fana fano faon fara farb faro farr fava fbar ffar ffff ffrr fnar foaf foan foar foba fofo fono foof foon for- fora forb forn foro forr fr-v frab fran frob fron naaa naab naan naar naba nabf nabo nafa naff nafo nan- nana nanb nann nano naor nara narf narn naro narr nava navo navr navv nbaa nbaf nbar nbbo nbfa nfaa nfff nfon nfra nnnn noaa noba nobo non- nona nonn nono noo- noob noon nooo noor noov nor- nora norb norf norn noro norr norv nov- nova novo nrab nrna nron nvfr oafo oara oban obba obbo obfv obon obor obra obro ofan off- offa offo offr ofna ofno ofor ofra onab onan onar onna onno onon onor onra ooaa ooba ooff oona oooo oora orab oran orao orar orav orba orbb orbo orff orna orno oro- orof oron oror orra orro orvr ovan ovar ovo- ovon ovoo ovra raab raaf raan raba rabb rabo rafa raff rana rann rano raob rara rarb rarf raro rava rbaf rbbb rbbr rnaf rnbr roab roaf roan roar rob- roba robb robo roff rofo rona rono roob roof roon roor rora roro rova rovo rrna rrrr vaan vaar vafa vana vann vano vara varf varn varr vava vfor vnav voar voff vofr vona vonn voor vor- vora voro vran vrav vrba vrnn vron vvob vvvv

-aaa- aabaa aabba aabra aarna aaron abaab ababa abana abann abano abaon abara abarn abava abban abbar abfab aboab abobo abona abono aboon abora aborn abovo abran abrar abron afara affor afnan afnor afono afro- afrob afvor anaba anana anara anava anban anbar annan annar anoba anona anono anoon anora anorn anova anovo anvar ar-ab arab- araba arabo arafo arana arano arara arava arbab arbar arbon arbor arfon arnan arnar arno- arnon arnor aroab aroar aroba arona aroof aroon aroor arora arran arron arvan arvar arvon avana avara avaro avron baarn baava baban babar baboo babra bafan baffa bafna bafra banaf banan banar banba banfa banff banna banon banov baoro baraa barab baran barao barar barba barff barna baro- baroa barof baron baroo baror barra barro barva bavan bavar bavon bavra bo-bo boann boano boaro boban bobar bobov bobr bofan boffa boffo bonab bonan bonao bonar bonon bonva booba boora boorn boran borba borbo born- borna borno boro- boroa boron boroo borov borra borro borvo bovan braff brana brann brava bravo brobo brona bronn broon brora brova brrar brrrr fabbo faboo fabor fabra fabro fanaa fanar fanna fanof fanon faora farab farao farbo farfa farna farob faron faroo farro favob favor fnarr fobar fofao for-a foran forno forra forro forvo fraba frano froan frona frorn naban nabao nabar nabba naboa nabob naboo nabor nanan nanao nann- nanna nanno nano- nanoa nanon nanov nanva naran naroo naror narra narro narva navan navar navon nbaon nnooo no-no nobar noboa nobob nofan nofor nona- nonan nonar nonna nonno noora norba norna noron norra norro norvo novo- nroff o-bon o-r-b oaror obaba obara obava obora oboro obrab obrov