a-a a-b aaa aab aam aan aao aar aas ab- aba abb abm abn abo abr abs ama amb amm amn amo amr ams an- ana anb anm ann ano anr ans aoa aob aom aon aoo aor aos ar- ara arb arm arn aro arr ars as- asa asb asm asn aso asr ass baa bab bam ban bao bar bas bba bbb bbm bbn bbo bbr bbs bma bmb bmm bmn bmo bmr bms bna bnb bnn bno bnr bns boa bob bom bon boo bor bos bra brb brm brn bro brr brs bsa bsb bsm bsn bso bsr bss m-o m-r maa mab mam man mao mar mas mba mbb mbm mbo mbr mbs mma mmb mmm mmn mmo mmr mms mna mnb mnm mnn mno mnr mns moa mob mom mon moo mor mos mra mrb mrm mrn mro mrr mrs msa msb msm msn mso msr mss naa nab nam nan nao nar nas nba nbb nbm nbn nbo nbr nbs nma nmb nmm nmn nmo nmr nms nna nnb nnm nnn nno nns no- noa nob nom non noo nor nos nra nrb nrm nrn nro nrr nrs nsa nsb nsm nsn nso nsr nss oaa oab oam oan oao oar oas ob- oba obb obm obn obo obr obs om- oma omb omm omn omo omr oms on- ona onb onn ono onr ons oo- ooa oob oom oon ooo oor oos or- ora orb orm orn oro orr ors os- osa osb osm osn oso osr oss ra- raa rab ram ran rao rar ras rba rbb rbm rbn rbo rbr rbs rma rmb rmm rmn rmo rmr rms rna rnb rnm rnn rno rnr rns roa rob rom ron roo ror ros rra rrb rrm rrn rrr rrs rsa rsb rsm rsn rso rsr rss saa sab sam san sao sar sas sba sbb sbm sbn sbo sbr sbs sma smb smm smn smo smr sms sna snb snm snn sno snr sns soa sob som son soo sor sos sr- sra srb srm srn sro srr srs ss- ssa ssb ssm ssn sso ssr sss

-ana aaaa aaab aaam aaan aaar aaas aaba aabb aabm aama aamb aamn aamo aamr aams aana aaon aaoo aara aarm aaro aars aasa aasm aass abaa abab abam aban abar abas abb- abba abbb abbo abbr abbs abma abmb abms aboa abob abon aboo abor abos abra abro abrs abs- absa abss amaa amam aman amar amas amb- amba ambn ambo ambr ambs amm- amma ammo amno amns amob amon amoo amor amos amra amro amsa amsn amso amss ana- anaa anab anam anan anao anar anas anba anbb anbo anma anna annb anno anns ano- anoa anom anon anor anos ansa anso aoba aoma aonb aono aora aorb aorn aors aoss arab aram aran arar aras arba arbs arma armm armo arms arna arno arns aroa arob arom aron aroo aror aros arr- arra arro arrr arrs ars- arsa arso asaa asab asam asan asao asar asas asba asbm asbo asma asmm asmr asms asno asob asom ason asor asos asra asrm asro asrs assa assn asso assr asss baaa baam baan baar baas baba babb babm babo babr babs bama bamb bamm bamn bams bana bann bano banr bans baon baos bar- bara barb barm barn baro barr bars basa baso bass bbas bbbb bbbs bmaa bman bnas bnor bnrr bnss boab boan boar boas boba bobb bobo bobs boma bomb boms bona bonn bono bons boob boom boon boor boos bor- bora borm born boro borr bors bosa bosm bosn boso boss brab bram bran brao bras brna brno brns broa brob brom bron broo bror bros brrm brrr brrs brsb brsr bsaa bsam bsas bsms bsns bson bsos bsra bsrm bssm maaa maam maan maar maas maba mabo mabs mama mamo mams man- mana mann mano mans maon maor maos mar- mara marm maro marr mars masa masn masr mass mbam mbas mbba mbbs mbms mbna mbrs mmaa mmab mman mmar mmas mmmm mmms mmor mnaa mnam mnas mnba mnbb mnos mnra moaa moab moam moan moar moas moba mobb mobo mobs moma momo moms mon- mona monn mono mons mooa moob moon moor moos mora morb morn moro mors mosa moso moss mras mrbb mrbm mrbs mrna mron mrsa msaa msar msas msba msma msmb msmm msms msoa mson msor msra msrb mssa mssm mssr naaa naab naam naan naar naas naba nabo nabs nama namb namm namo nams nan- nana nanb nann nano nans naor naos nara narm narn naro narr nars nas- nasa nasb nasm naso nasr nass nbaa nbar nbas nbbo nman nmon nmos nmra nnnn nnos nnsa nnss noaa noam noba nobm nobo nobs nom- noma nomo noms non- nona nonn nono nons noo- noob noon nooo noor noos nor- nora norb norm norn noro norr nors nos- nosa nosm noss nrab nram nras nrma nrna nron nrsa nsaa nsar nsbm nsbo nsmb nsna nsnr nsos nsra nssa nssb nsso nssr nsss oama oams oara oars oass oban obas obba obbo obon obor obos obra obro obsn obsr obss omam oman omao omar omas ombo omma omn- omo- omoa omon omoo omor omra omro omsa omsn onab onam onan onar onas onna onno onon onor onos onra onso ooaa ooba ooma ooms oona oons oooo ooos oora oosa orab oram oran orao orar oras orba orbb orbo orbs orma ormn ormo orna orno orns oro- orom oron oror oros orra orro orrs orsa orso osam osan osar osas osba osm- osmo osno osnr osoo osor osos osro ossa ossb osso raab raam raan raas raba rabb rabo rabs rama ramb ramm ramo rams rana rann rano rans raob raom raos rara rarb raro rars rasa rasm raso rass rbbb rbbr rbbs rbms rbss rman rmas rmbs rmon rnas rnbr roab roam roan roar roas rob- roba robb robo robs roma romb romm romo roms rona rono rons roob room roon roor roos rora roro