a-a a-b aaa aab aan aao aar aau aav ab- aba abb abn abo abr abu abv an- ana anb ann ano anr anu anv aoa aob aon aoo aor aou aov ar- ara arb arn aro arr aru arv au- aua aub aun auo aur auv av- ava avb avn avo avr avu b-u baa bab ban bao bar bau bav bba bbb bbn bbo bbr bbu bna bnb bnn bno bnr bnu bnv boa bob bon boo bor bou bov bra brb brn bro brr bru brv bua bub bun buo bur buu bva bvb bvn bvo bvr bvu bvv naa nab nan nao nar nau nav nba nbb nbn nbo nbr nbu nbv nna nnb nnn nno nnu nnv no- noa nob non noo nor nou nov nra nrb nrn nro nrr nru nrv nua nub nun nuo nur nuu nuv nva nvb nvn nvu nvv oaa oab oan oao oar oau oav ob- oba obb obn obo obr obu obv on- ona onb onn ono onr onu oo- ooa oob oon ooo oor oov or- ora orb orn oro orr oru orv ou- oua oun ouo our ov- ova ovb ovo ovv ra- raa rab ran rao rar rau rav rba rbb rbn rbo rbr rbu rna rnb rnn rno rnr rnu rnv roa rob ron roo ror rou rov rra rrb rrn rrr rru rua rub run ruo rur ruu ruv rva rvb rvn rvo rvr rvu rvv ua- uaa uab uan uao uar uau uav uba ubb ubn ubo ubr ubu ubv un- una unb unn uno unr unu unv uoa uob uon uoo uor ur- ura urb urn uro urr uru uua uun uur uuu uva uvb uvo uvu uvv v-a vaa vab van vao var vau vav vba vbo vbr vbv vn- vna vno vnr vnu vnv voa vob von voo vor vou vov vra vrb vrn vrr vru vur vuv vva vvb vvo vvr vvv

-ana a-un aaaa aaab aaan aaar aaav aaba aabb aana aaon aaoo aara aaro aaru aava abaa abab aban abar abau abb- abba abbb abbo abbr abnu aboa abob abon aboo abor abou abov abra abro abua abun abva ana- anaa anab anan anao anar anau anba anbb anbo anbu anna annb anno ano- anoa anon anor anua anub anun aoba aonb aono aora aorb aorn aoun arab aran arar arau arba arna arno aroa arob aron aroo aror arr- arra arro arrr arru arua arub arun arva arvn arvo auaa auna aur- aura auro avab avan avao avar avon avor avou avra avro avun avur avva avvo baaa baan baar baba babb babo babr babu bana bann bano banr banu baon bar- bara barb barn baro barr baru bau- baur bava bavu bbau bbbb bnor bnrr boab boan boar boba bobb bobo bobu bona bonn bono bonu boob boon boor bor- bora born boro borr boru boua boun bour bova bovo brab bran brao brau brav brna brno broa brob bron broo bror brou brrr brun bruv buar buba bubb bubo bubu buna bunb bunn buno bunu buon bur- bura burb burn buro burr buru naaa naab naan naar naba nabo nabu nan- nana nanb nann nano nanu naor nara narn naro narr naru nauo naur nava navo navr navv nbaa nbar nbbo nnnn noaa noba nobo nobu non- nona nonn nono nonu noo- noob noon nooo noor noov nor- nora norb norn noro norr norv noun nour nov- nova novo nrab nrna nron nuan nuba nuna nunn nuno nuon nura nurn nurr nuru nurv nuva nuvo oaau oara oban obba obbo obon obor obra obro onab onan onar onna onno onon onor onra onur ooaa ooba oona oooo oora orab oran orao orar orav orba orbb orbo orbu orna orno oro- oron oror orra orro orub orvr ouan oun- ouna our- oura ourn ouro ouu- ovan ovar ovo- ovon ovoo ovra raab raan raba rabb rabo rabu rana rann rano raob rara rarb raro raua raub raun rava rbbb rbbr rnbr roab roan roar rob- roba robb robo robu rona rono roob roon roor rora roro roru roua roub roun rova rovo rrna rrrr rrun ruan ruba rubb rubu runa runn runo rura ruro ruru ruun ruvu uaru uaua ubar ubba ubbo ubon ubra unaa unan unar unau unna unno unon unov unra unro uor- uovo uran urao urau urba urna uro- uroa uroo urra urun urur urva uuno uuuu uv-a uv-b uvaa uvvu vaan vaar vana vann vano vanu vara varn varr varu vava vnav voar vona vonn voor vor- vora voro voru voun vour vran vrav vrba vrnn vron vuno vurb vvob vvvv

-aaa- aabaa aabba aabra aarau aarna aaron abaab ababa ababu abana abann abano abaon abara abarn abaru abava abban abbar abbou abbur abnub aboab abobo abona abono aboon abora aborn abovo abran abrar abron abrun abuna abura aburn aburr anaba anana anara anaru anaua anaun anava anban anbar annan annar annua annur anoba anona anono anoon anora anorn anoun anour anova anovo anura anvar anvur aorun ar-ab arab- araba arabo arana arano arara araru arava aravu arbab arbar arbon arbor arnan arnar arno- arnon arnor aroab aroar aroba arona aroon aroor arora arran arrau arron arrou arrua aruaa aruba aruna arura aruru aruvu arvan arvar arvon aubun aunon aunou aurar auro- auroa auron auror aurra aurva avana avara avaro avour avouu avron avunu baarn baava baban babar babau baboo babou babra babur banan banar banau banba banna bannu banon banou banov banur baoro baraa barab baran barao barar barba barbu barna baro- baroa baron baroo baror barra barro barru barua barun barva baubo bauno baura bauru bavan bavar bavon bavra bo-bo boann boano boaro boban bobar bobov bobr bonab bonan bonao bonar bonon bonou bonva booba boora boorn booru boran borau borba borbo born- borna borno bornu boro- boroa boron boroo borou borov borra borro borun borvo bouan bouar bouba bouna boura bourn bovan brana brann braun brava bravo brobo brona bronn broon brora broun brova brrar brrrr bruan