a-a a-b aaa aab aad aan aao aar aau ab- aba abb abd abn abo abr abu ad- ada adb add adn ado adr adu an- ana anb and ann ano anr anu aoa aob aod aon aoo aor aou ar- ara arb ard arn aro arr aru au- aua aub aud aun auo aur b-u baa bab bad ban bao bar bau bba bbb bbd bbn bbo bbr bbu bda bdb bdd bdo bdr bdu bna bnb bnd bnn bno bnr bnu boa bob bod bon boo bor bou bra brb brd brn bro brr bru bua bub bud bun buo bur buu daa dab dad dan dao dar dau dba dbb dbd dbn dbo dbr dbu dda ddb ddd ddn ddo ddr ddu dna dnb dnd dnn dno dnr doa dob dod don doo dor dou dra drb drd drn dro drr dru dua dub dud dun duo dur naa nab nad nan nao nar nau nba nbb nbd nbn nbo nbr nbu nda ndb ndd ndn ndo ndr ndu nna nnb nnn nno nnu no- noa nob nod non noo nor nou nra nrb nrd nrn nro nrr nru nua nub nud nun nuo nur nuu oaa oab oad oan oao oar oau ob- oba obb obd obn obo obr obu oda odb odd odn odo odr odu on- ona onb ond onn ono onr onu oo- ooa oob ood oon ooo oor or- ora orb ord orn oro orr oru ou- oua oud oun ouo our ra- raa rab rad ran rao rar rau rba rbb rbd rbn rbo rbr rbu rda rdb rdd rdn rdo rdr rdu rna rnb rnd rnn rno rnr rnu roa rob rod ron roo ror rou rra rrb rrd rrn rrr rru rua rub rud run ruo rur ruu ua- uaa uab uad uan uao uar uau uba ubb ubn ubo ubr ubu uda udb udd udn udo udr udu un- una unb und unn uno unr unu uoa uob uod uon uoo uor ur- ura urb urd urn uro urr uru uua uun uur uuu

-ana a-do a-un aaaa aaab aaad aaan aaar aaba aabb aabd aada aadu aana aand aaon aaoo aara aard aaro aaru abaa abab abad aban abar abau abb- abba abbb abbo abbr abda abdo abdu abnu aboa abob abod abon aboo abor abou abra abro abua abud abun adaa adab adad adan adao adar adba adda addd addn addo addr addu adna adob adod adon adoo ador adra adro adua adub adun adur ana- anaa anab anad anan anao anar anau anba anbb anbo anbu and- anda ando andr anna annb anno ano- anoa anod anon anor anua anub anun aoba aonb aono aora aorb aorn aoun arab arad aran arar arau arba arda ardo ardu arna arnd arno aroa arob arod aron aroo aror arr- arra arro arrr arru arua arub arud arun auaa audo auna aur- aura aurd auro baaa baad baan baar baba babb babo babr babu bada badb badd bado badr badu bana band bann bano banr banu baon bar- bara barb bard barn baro barr baru bau- baud baur bbad bbau bbbb bbdd bbdo bd-r bdna bnor bnrr boab boad boan boar boba bobb bobo bobu boda bodb bodo bodu bona bond bonn bono bonu boob bood boon boor bor- bora bord born boro borr boru boua boud boun bour brab brad bran brao brau brda brdo brna brno broa brob brod bron broo bror brou brrr brud brun buad buar buba bubb bubo bubu buda budb budd budo budu buna bunb bund bunn buno bunu buon bur- bura burb burd burn buro burr buru d-bo d-na daab daad daan daar daau daba dabb dabo dabu dada dado dadu dana dand dann dano danr danu daon daou dara darb dard darn daro darr daru daub daud daun daur dbar dbrn dddd ddub dnaa dnab dnad dnan doab doan doar doba dobb dobu dod- doda dodd dodo dona dond donn dono donr doob dood doon door dora dord dorn doro dorr doru doub doud doun dour draa drab drad drar drau drba drda drna drno drob drod dron drou drra drua drub druu duaa duab duad duan duar dub- duba dubb dubu duda dudd dudo dudu duna dunn duno duo- duon dura durn duro duru duur naaa naab naad naan naar naba nabo nabu nada nadr nadu nan- nana nanb nand nann nano nanu naor nara nard narn naro narr naru nauo naur nbaa nbad nbar nbbo ndaa ndao ndau nddb nddo ndna ndor nndb nnnn noaa noba nobo nobu noda nodo nodu non- nona nonn nono nonu noo- noob noon nooo noor nor- nora norb nord norn noro norr noun nour nrab nrna nron nrrd nuan nuba nuda nudd nudo nuna nunn nuno nuon nura nurd nurn nurr nuru oaau oara obad oban obba obbo obon obor obra obro odbo odda oddd odnb odon odoo odor odou odra odur onab onan onar onda ondo onna onno onod onon onor onra onur ooaa ooba ooda oona oooo oora oord orab orad oran orao orar orba orbb orbo orbu orda ordn ordo ordu orna orno oro- oron oror orra orro orub ouad ouan oun- ouna ound our- oura ourn ouro ouu- raab raad raan raba rabb rabo rabu rada radd rado radr radu rana rand rann rano raob rara rarb raro raua raub raud raun rbbb rbbr rdna rnbr rnod roab road roan roar rob- roba robb robo robu roda rodd rodo rona rond rono roob rood roon roor rora roro roru roua roub roud roun rrad rrna rrrr rrun ruad ruan ruba rubb rubu ruda rudd rudo runa rund runn runo rura rurd ruro ruru ruud ruun uaru uaua ubar ubba ubbo ubod ubon ubra ubud udaa udad udar udau udon udoo udra udun unaa unan unar unau unbd unda undo unna unno unon unra unro uor- urad uran urao urau urba urda urdu urna uro- uroa uroo urra urun urur uuno uuuu

-aaa- -abad a-dna aabaa aabba aabra aandr