a-a a-b aaa aab aan aao aar aas aau ab- aba abb abn abo abr abs abu an- ana anb ann ano anr ans anu aoa aob aon aoo aor aos aou ar- ara arb arn aro arr ars aru as- asa asb asn aso asr ass asu au- aua aub aun auo aur aus b-u baa bab ban bao bar bas bau bba bbb bbn bbo bbr bbs bbu bna bnb bnn bno bnr bns bnu boa bob bon boo bor bos bou bra brb brn bro brr brs bru bsa bsb bsn bso bsr bss bsu bua bub bun buo bur bus buu naa nab nan nao nar nas nau nba nbb nbn nbo nbr nbs nbu nna nnb nnn nno nns nnu no- noa nob non noo nor nos nou nra nrb nrn nro nrr nrs nru nsa nsb nsn nso nsr nss nsu nua nub nun nuo nur nus nuu oaa oab oan oao oar oas oau ob- oba obb obn obo obr obs obu on- ona onb onn ono onr ons onu oo- ooa oob oon ooo oor oos or- ora orb orn oro orr ors oru os- osa osb osn oso osr oss osu ou- oua oun ouo our ous ra- raa rab ran rao rar ras rau rba rbb rbn rbo rbr rbs rbu rna rnb rnn rno rnr rns rnu roa rob ron roo ror ros rou rra rrb rrn rrr rrs rru rsa rsb rsn rso rsr rss rsu rua rub run ruo rur rus ruu saa sab san sao sar sas sau sba sbb sbn sbo sbr sbs sbu sna snb snn sno snr sns snu soa sob son soo sor sos sou sr- sra srb srn sro srr srs ss- ssa ssb ssn sso ssr sss ssu sua sub sun suo sur sus suu ua- uaa uab uan uao uar uas uau uba ubb ubn ubo ubr ubs ubu un- una unb unn uno unr uns unu uoa uob uon uoo uor uos ur- ura urb urn uro urr urs uru usa usb usn uso usr uss usu uua uun uur uus uuu

-ana -ous a-un aaaa aaab aaan aaar aaas aaba aabb aana aaon aaoo aara aaro aars aaru aasa aass aasu aaus abaa abab aban abar abas abau abb- abba abbb abbo abbr abbs abnu aboa abob abon aboo abor abos abou abra abro abrs abs- absa abss absu abua abun abus ana- anaa anab anan anao anar anas anau anba anbb anbo anbu anna annb anno anns ano- anoa anon anor anos ansa anso ansu anua anub anun anus aoba aonb aono aora aorb aorn aors aoss aoun aous arab aran arar aras arau arba arbs arna arno arns aroa arob aron aroo aror aros arr- arra arro arrr arrs arru ars- arsa arso arsu arua arub arun asaa asab asan asao asar asas asau asba asbo asbu asno asob ason asor asos asou asra asro asrs asru assa assn asso assr asss assu asub asun asur asus auaa auna aur- aura auro ausa ausu baaa baan baar baas baba babb babo babr babs babu bana bann bano banr bans banu baon baos bar- bara barb barn baro barr bars baru basa baso bass basu bau- baur bbas bbau bbbb bbbs bnas bnor bnrr bnss boab boan boar boas boba bobb bobo bobs bobu bona bonn bono bons bonu boob boon boor boos bor- bora born boro borr bors boru bosa bosn boso boss bosu boua boun bour bous brab bran brao bras brau brna brno brns broa brob bron broo bror bros brou brrr brrs brsb brsr brun brus bsaa bsas bsns bson bsos bsra buar buba bubb bubo bubs bubu buna bunb bunn buno buns bunu buon bur- bura burb burn buro burr burs buru busa buss busu buus naaa naab naan naar naas naba nabo nabs nabu nan- nana nanb nann nano nans nanu naor naos nara narn naro narr nars naru nas- nasa nasb naso nasr nass nasu nauo naur naus nbaa nbar nbas nbbo nnnn nnos nnsa nnss noaa noba nobo nobs nobu non- nona nonn nono nons nonu noo- noob noon nooo noor noos nor- nora norb norn noro norr nors nos- nosa noss nosu noun nour nous nrab nras nrna nron nrsa nsaa nsar nsbo nsna nsnr nsos nsou nsra nssa nssb nsso nssr nsss nsub nuan nuba nubs nuna nunn nuno nuns nuon nura nurn nurr nurs nuru nuss nusu oaau oara oars oass oban obas obba obbo obon obor obos obra obro obsn obsr obss obus onab onan onar onas onna onno onon onor onos onra onso onur onus ooaa ooba oona oons oooo ooos oora oosa oous orab oran orao orar oras orba orbb orbo orbs orbu orna orno orns oro- oron oror oros orra orro orrs orsa orso orsu orub orus osan osar osas osba osno osnr osoo osor osos osro ossa ossb osso ossu osun ouan oubs oun- ouna our- oura ourn ouro ours ousa ouu- raab raan raas raba rabb rabo rabs rabu rana rann rano rans raob raos rara rarb raro rars rasa raso rass rasu raua raub raun raus rbbb rbbr rbbs rbss rnas rnbr roab roan roar roas rob- roba robb robo robs robu rona rono rons roob roon roor roos rora roro roru rosa roso ross roua roub roun rous rras rrna rrrr rrun rsaa rsna rsnn rsno rsnr rsos rssa rsua ruan ruas ruba rubb rubs rubu runa runn runo runs rura ruro rurs ruru rusa ruso russ rusu ruun s-os saab saan saar saas saba sabb sabo sabr sabs sabu sana sann sano sanr sans sanu saon saor saos saou sara sarn saro sarr sars saru sasa saso sass saua saun saur saus sbaa sbar sbas sbbs sbor sbsa sbus snab snar snas snba snns snoa snob snoo snor snos snra snrs snub snur snus soan soar soas soba sobo sobr sobs sobu son- sona sono sons sonu soon soor soos sora sorb sorn soro sorr sors