-al -ol a-a a-b aaa aab aal aan aao aar aau ab- aba abb abl abn abo abr abu al- ala alb all aln alo alr alu an- ana anb anl ann ano anr anu aoa aob aol aon aoo aor aou ar- ara arb arl arn aro arr aru au- aua aub aul aun auo aur b-u baa bab bal ban bao bar bau bba bbb bbl bbn bbo bbr bbu bla blb bll bln blo blr blu bna bnb bnl bnn bno bnr bnu boa bob bol bon boo bor bou bra brb brl brn bro brr bru bua bub bul bun buo bur buu la- laa lab lal lan lao lar lau lba lbb lbl lbo lbr lbu lla llb lll lln llo llr llu lna lnb lnl lnn lno lnr lnu loa lob lol lon loo lor lou lra lrb lrn lro lrr lru lua lub lul lun luo lur luu naa nab nal nan nao nar nau nba nbb nbl nbn nbo nbr nbu nla nlb nll nln nlo nlr nlu nna nnb nnl nnn nno nnu no- noa nob nol non noo nor nou nra nrb nrl nrn nro nrr nru nua nub nul nun nuo nur nuu oaa oab oal oan oao oar oau ob- oba obb obl obn obo obr obu ola olb oll oln olo olu on- ona onb onl onn ono onr onu oo- ooa oob ool oon ooo oor or- ora orb orl orn oro orr oru ou- oua oul oun ouo our ra- raa rab ral ran rao rar rau rba rbb rbl rbn rbo rbr rbu rla rll rln rlo rlr rlu rna rnb rnn rno rnr rnu roa rob rol ron roo ror rou rra rrb rrl rrn rrr rru rua rub run ruo rur ruu ua- uaa uab ual uan uao uar uau uba ubb ubl ubn ubo ubr ubu ula ulb ull uln ulo ulr ulu un- una unb unl unn uno unr unu uoa uob uol uon uoo uor ur- ura urb url urn uro urr uru uua uun uur uuu

-ana a-un aaaa aaab aaal aaan aaar aaba aabb aabl aala aall aalo aalu aana aaon aaoo aara aaro aaru abaa abab abal aban abar abau abb- abba abbb abbo abbr abla ablo abnu aboa abob abol abon aboo abor abou abra abro abua abul abun alaa alal alan alao alar alau alb- alba albo albu all- alla alll alln allo allr allu alna aloa alol alon aloo alor alou alro alua alun alur ana- anaa anab anal anan anao anar anau anba anbb anbl anbo anbu anla anln anlo anlu anna annb anno ano- anoa anon anor anua anub anul anun aoba aola aonb aono aora aorb aorn aoul aoun arab aral aran arar arau arba arla arlo arna arno aroa arob aron aroo aror arr- arra arro arrr arru arua arub arul arun auaa aul- aula aull auln aulo aulu auna auol aur- aura auro baaa baal baan baar baba babb babo babr babu bala ball balo balu bana bann bano banr banu baol baon bar- bara barb barn baro barr baru bau- baul baur bbau bbbb bblb blaa blab blan blau blno blob blon bloo blou blub blur bnor bnrr boab boal boan boar boba bobb bobo bobu bola boll boln bolo bolu bona bonn bono bonu boob bool boon boor bor- bora born boro borr boru boua boul boun bour brab bran brao brau brna brno broa brob brol bron broo bror brou brrr brun bual buar buba bubb bubo bubu bula bulb bull bulu buna bunb bunn buno bunu buol buon bur- bura burb burl burn buro burr buru laaa laal laan laar laba labo labr labu lala lall lalo lalu lan- lana lann lano lanu laon laou lara larb larn larr laru laub laul laun laur lbar lblr llan llao llll lloa lloo loan loar lob- loba lobb lobo lola loll lolo lona lono lonr loob lool loon loor lora lorn loro loul loun lour louu lral lrba lron lrrr luan luau luba lula lull lulu luna lunn luno lura luua naaa naab naal naan naar naba nabl nabo nabu nala nall nalu nan- nana nanb nann nano nanu naor nara narn naro narr naru naul nauo naur nbaa nbar nbbo nlab nlra nlrb nnnn noaa noal noba nobo nobu nola noll nolo non- nona nonn nono nonu noo- noob nool noon nooo noor nor- nora norb norn noro norr noul noun nour nrab nrlb nrna nron nrrl nuan nuba nubl null nuna nunn nuno nuon nura nurl nurn nurr nuru oaau oall oara obal oban obba obbo obla oblu obol obon obor obra obro olan olar olba olbo olla ollo olon olor olur onab onal onan onar onla onna onno onon onor onra onur ooaa ooba oola oolo oona oooo oora orab oral oran orao orar orba orbb orbo orbu orla orlo orlu orna orno oro- oron oror orra orro orub ouan oula oulu oun- ouna our- oura ourn ouro ouu- raab raan raba rabb rabl rabo rabu rala ralb rall ralo rana rann rano raob raol rara rarb raro raua raub raul raun rbbb rbbr rlab rlua rnal rnbr roab roan roar rob- roba robb robo robu rola roll rolo rona rono roob rool roon roor rora roro roru roua roub roul roun rrna rrrr rrun ruan ruba rubb rubu rula rull rulo runa runn runo rura ruro ruru ruun uaru uaua ubal ubar ubba ubbo ubla ublo ubon ubra ulaa ulan ular ulla ullo ullr ulna ulno ulo- ulua ulul unaa unal unan unar unau unna unno unon unra unro uor- ural uran urao urau urba urla urna uro- uroa urol uroo urra urun urur uulu uuno uuuu

-aaa- aabaa aabba aabra aalon aarau aarna aaron abaab ababa ababu abala aball abalo abana abann abano abaon abara abarn abaru abban abbar abbou abbur ablon ablun ablur abnub aboab abobl abobo abona abono aboon abora aborn abran abrar abrol abron abrun abula abull abuna