a-a a-b aaa aab aan aao aar aas ab- aba abb abn abo abr abs an- ana anb ann ano anr ans aoa aob aon aoo aor aos ar- ara arb arn aro arr ars as- asa asb asn aso asr ass baa bab ban bao bar bas bba bbb bbn bbo bbr bbs bna bnb bnn bno bnr bns boa bob bon boo bor bos bra brb brn bro brr brs bsa bsb bsn bso bsr bss naa nab nan nao nar nas nba nbb nbn nbo nbr nbs nna nnb nnn nno nns no- noa nob non noo nor nos nra nrb nrn nro nrr nrs nsa nsb nsn nso nsr nss oaa oab oan oao oar oas ob- oba obb obn obo obr obs on- ona onb onn ono onr ons oo- ooa oob oon ooo oor oos or- ora orb orn oro orr ors os- osa osb osn oso osr oss ra- raa rab ran rao rar ras rba rbb rbn rbo rbr rbs rna rnb rnn rno rnr rns roa rob ron roo ror ros rra rrb rrn rrr rrs rsa rsb rsn rso rsr rss saa sab san sao sar sas sba sbb sbn sbo sbr sbs sna snb snn sno snr sns soa sob son soo sor sos sr- sra srb srn sro srr srs ss- ssa ssb ssn sso ssr sss

-ana aaaa aaab aaan aaar aaas aaba aabb aana aaon aaoo aara aaro aars aasa aass abaa abab aban abar abas abb- abba abbb abbo abbr abbs aboa abob abon aboo abor abos abra abro abrs abs- absa abss ana- anaa anab anan anao anar anas anba anbb anbo anna annb anno anns ano- anoa anon anor anos ansa anso aoba aonb aono aora aorb aorn aors aoss arab aran arar aras arba arbs arna arno arns aroa arob aron aroo aror aros arr- arra arro arrr arrs ars- arsa arso asaa asab asan asao asar asas asba asbo asno asob ason asor asos asra asro asrs assa assn asso assr asss baaa baan baar baas baba babb babo babr babs bana bann bano banr bans baon baos bar- bara barb barn baro barr bars basa baso bass bbas bbbb bbbs bnas bnor bnrr bnss boab boan boar boas boba bobb bobo bobs bona bonn bono bons boob boon boor boos bor- bora born boro borr bors bosa bosn boso boss brab bran brao bras brna brno brns broa brob bron broo bror bros brrr brrs brsb brsr bsaa bsas bsns bson bsos bsra naaa naab naan naar naas naba nabo nabs nan- nana nanb nann nano nans naor naos nara narn naro narr nars nas- nasa nasb naso nasr nass nbaa nbar nbas nbbo nnnn nnos nnsa nnss noaa noba nobo nobs non- nona nonn nono nons noo- noob noon nooo noor noos nor- nora norb norn noro norr nors nos- nosa noss nrab nras nrna nron nrsa nsaa nsar nsbo nsna nsnr nsos nsra nssa nssb nsso nssr nsss oara oars oass oban obas obba obbo obon obor obos obra obro obsn obsr obss onab onan onar onas onna onno onon onor onos onra onso ooaa ooba oona oons oooo ooos oora oosa orab oran orao orar oras orba orbb orbo orbs orna orno orns oro- oron oror oros orra orro orrs orsa orso osan osar osas osba osno osnr osoo osor osos osro ossa ossb osso raab raan raas raba rabb rabo rabs rana rann rano rans raob raos rara rarb raro rars rasa raso rass rbbb rbbr rbbs rbss rnas rnbr roab roan roar roas rob- roba robb robo robs rona rono rons roob roon roor roos rora roro rosa roso ross rras rrna rrrr rsaa rsna rsnn rsno rsnr rsos rssa s-os saab saan saar saas saba sabb sabo sabr sabs sana sann sano sanr sans saon saor saos sara sarn saro sarr sars sasa saso sass sbaa sbar sbas sbbs sbor sbsa snab snar snas snba snns snoa snob snoo snor snos snra snrs soan soar soas soba sobo sobr sobs son- sona sono sons soon soor soos sora sorb sorn soro sorr sors sosa soso soss sras srna srnn srno sros ssaa ssab ssan ssao ssas ssbn ssbr ssns ssra ssrs sssa sssb ssss

-aaa- aaaas aaasa aaass aabaa aabba aabra aarna aaron aasra abaab ababa ababs abana abann abano abaon abara abarn abasa abass abban abbar abbas abbos abbrs aboab abobo abona abono aboon abora aborn aboso abran abrar abras abron absar abson anaba anana anara anasa anass anban anbar annan annar annas anoas anoba anona anono anons anoon anora anorn anras ansan ansar anson aoos ar-ab arab- araba arabo arabs arana arano arans arara arars arass arbab arbar arbas arbon arbor arbos arnan arnar arnas arno- arnon arnor arnos aroab aroar aroba arona aroon aroor aroos arora arosa arran arras arron arros arsan arson arsos asaba asana asano asara asaro asasa asbos asbro asnan asnas asoar asona asons asors asosa asrar asror assab assan assas assns assoa asson assos baarn baars baban babar babas babbs babns baboo babos babra banan banar banas banba banna banns banon banos bansa baoro baraa barab baran barao barar baras barba barbs barna barns baro- baroa baron baroo baror baros barra barro barrs barsa barss basab basan basar basna basno baso- bason basor basra bassa basso bo-bo boann boano boans boaro boars boban bobar bobos bobr bonab bonan bonao bonar bonas bonon bonos booba boobs boons boora boorn boors boosa boran boras borba borbo born- borna borno borns boro- boroa boron boroo boros borra borro borsa bosan bosas bosna bosns boson bosor bosra bossa bosso braas brana brann brans brasa brass brobo brobs brona bronn brons broon broos brora bross brrar brrrr bsaba naans naban nabao nabar nabas nabba naboa nabob naboo nabor nanan nanao nanas nann- nanna nanno nano- nanoa nanon nanos naran naras naroo naror narra narro nasaa nasan nasar nasba naso- nason nassa nassr nbaon nnooo no-no nobar nobbs noboa nobob nobsa nona- nonan