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

-ana a-un aaaa aaab aaan aaar aaav aaba aabb aana aaon aaoo aara aaro aaru aava abaa abab aban abar abau abax abb- abba abbb abbo abbr abnu aboa abob abon aboo abor abou abov abox abra abro abua abun abva ana- anaa anab anan anao anar anau anax anba anbb anbo anbu anna annb anno ano- anoa anon anor anox anua anub anun aoba aonb aono aora aorb aorn aoun arab aran arar arau arax arba arna arno aroa arob aron aroo aror arr- arra arro arrr arru arua arub arun arva arvn arvo auaa auna aur- aura auro auxa avab avan avao avar avax avon avor avou avra avro avun avur avva avvo axan axar axo- axoa axon axxo ba-x baaa baan baar baba babb babo babr babu bana bann bano banr banu baon bar- bara barb barn baro barr baru barx bau- baur baux bava bavu bbau bbbb bbox bnor bnrr boab boan boar boba bobb bobo bobu bona bonn bono bonu boob boon boor boox bor- bora born boro borr boru boua boun bour bova bovo boxa brab bran brao brau brav brax brna brno broa brob bron broo bror brou brox brrr brun bruv brux buar buba bubb bubo bubu buna bunb bunn buno bunu buon bur- bura burb burn buro burr buru buxa naaa naab naan naar naba nabo nabu nan- nana nanb nann nano nanu naor nara narn naro narr naru narx nauo naur nava navo navr navv nbaa nbar nbbo nnnn noaa noba nobo nobu non- nona nonn nono nonu nonx noo- noob noon nooo noor noov nor- nora norb norn noro norr norv noun nour nov- nova novo noxa nrab nrna nron nuan nuba nuna nunn nuno nuon nura nurn nurr nuru nurv nuva nuvo nvax oaau oara oban obba obbo obon obor obox 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 oxa- oxan oxna oxo- oxon oxox oxxo raab raan raba rabb rabo rabu rana rann rano ranx raob rara rarb raro raua raub raun rava raxa rbbb rbbr rnbr roab roan roar rob- roba robb robo robu rona rono roob roon roor roox rora roro roru roua roub roun roux rova rovo roxa roxo 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 unox unra unro uor- uovo uran urao urau urba urna uro- uroa uroo urox urra urun urur urva uuno uuuu uv-a uv-b uvaa uvvu uxor vaan vaar vana vann vano vanu vara varn varr varu vaux vava vnav voar vona vonn voor vor- vora voro voru voun vour voxx vran vrav vrba vrnn vron vuno vurb vvob vvvv xaar xana xano xara xbar xbox xbra xoan xorn xoro xoxo xuan xura xuxa xuxu xxxo xxxv xxxx

-aaa- a-box 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 anaxo anban anbar annan annar annax annua annur anoba anona anono anoon anora anorn anoun anour anoux anova anovo anrax anura anvar anvur aorun ar-ab arab- araba arabo arana arano arara araru araux arava aravu araxa arbab