a-a a-b aaa aab aad aan aao aar aas ab- aba abb abd abn abo abr abs ad- ada adb add adn ado adr ads an- ana anb and ann ano anr ans aoa aob aod aon aoo aor aos ar- ara arb ard arn aro arr ars as- asa asb asd asn aso asr ass baa bab bad ban bao bar bas bba bbb bbd bbn bbo bbr bbs bda bdb bdd bdo bdr bds bna bnb bnd bnn bno bnr bns boa bob bod bon boo bor bos bra brb brd brn bro brr brs bsa bsb bsd bsn bso bsr bss daa dab dad dan dao dar das dba dbb dbd dbn dbo dbr dbs dda ddb ddd ddn ddo ddr dds dna dnb dnd dnn dno dnr dns doa dob dod don doo dor dos dra drb drd drn dro drr drs dsa dsb dsd dsn dso dsr dss naa nab nad nan nao nar nas nba nbb nbd nbn nbo nbr nbs nda ndb ndd ndn ndo ndr nds nna nnb nnn nno nns no- noa nob nod non noo nor nos nra nrb nrd nrn nro nrr nrs nsa nsb nsd nsn nso nsr nss oaa oab oad oan oao oar oas ob- oba obb obd obn obo obr obs oda odb odd odn odo odr ods on- ona onb ond onn ono onr ons oo- ooa oob ood oon ooo oor oos or- ora orb ord orn oro orr ors os- osa osb osd osn oso osr oss ra- raa rab rad ran rao rar ras rba rbb rbd rbn rbo rbr rbs rda rdb rdd rdn rdo rdr rds rna rnb rnd rnn rno rnr rns roa rob rod ron roo ror ros rra rrb rrd rrn rrr rrs rsa rsb rsd rsn rso rsr rss saa sab sad san sao sar sas sba sbb sbd sbn sbo sbr sbs sda sdb sdd sdn sdo sdr sds sna snb snd snn sno snr sns soa sob sod son soo sor sos sr- sra srb srd srn sro srr srs ss- ssa ssb ssd ssn sso ssr sss

-ana a-do aaaa aaab aaad aaan aaar aaas aaba aabb aabd aada aads aana aand aaon aaoo aara aard aaro aars aasa aasd aass abaa abab abad aban abar abas abb- abba abbb abbo abbr abbs abda abdo aboa abob abod abon aboo abor abos abra abro abrs abs- absa absd abss adaa adab adad adan adao adar adas adba adda addd addn addo addr adds adna adns adob adod adon adoo ador ados adra adro adrs adsa adso adsr adss ana- anaa anab anad anan anao anar anas anba anbb anbo and- anda ando andr ands anna annb anno anns ano- anoa anod anon anor anos ansa ansd anso aoba aonb aono aora aorb aorn aors aosd aoss arab arad aran arar aras arba arbs arda ardo ards arna arnd arno arns aroa arob arod aron aroo aror aros arr- arra arro arrr arrs ars- arsa arsd arso asaa asab asad asan asao asar asas asba asbo asda asdo asds asno asob asod ason asor asos asra asro asrs assa assd assn asso assr asss baaa baad baan baar baas baba babb babo babr babs bada badb badd bado badr bads bana band bann bano banr bans baon baos bar- bara barb bard barn baro barr bars basa baso bass bbad bbas bbbb bbbs bbdd bbdo bd-r bdna bdos bdsd bnas bnor bnrr bnss boab boad boan boar boas boba bobb bobo bobs boda bodb bodo bods bona bond bonn bono bons boob bood boon boor boos bor- bora bord born boro borr bors bosa bosn boso boss brab brad bran brao bras brda brdo brds brna brno brns broa brob brod bron broo bror bros brrr brrs brsb brsr bsaa bsas bsbd bsnd bsns bsod bson bsos bsra bsrd bssd d-bo d-na daab daad daan daar daas daba dabb dabo dabs dada dado dads dana dand dann dano danr dans daon daos dara darb dard darn daro darr dars dasa dasb dasd dass dbar dbas dbos dbrn dbrs dbsa dbss dddd ddss dnaa dnab dnad dnan dnas dnsa doab doan doar doas doba dobb dobs dod- doda dodd dodo dods dona dond donn dono donr dons doob dood doon door doos dora dord dorn doro dorr dors dosa doso doss draa drab drad drar dras drba drda drna drno drob drod dron drra drrs drsa dsba dsda dsdr dsoa dsos dsrr dssa dssn naaa naab naad naan naar naas naba nabo nabs nada nadr nads nan- nana nanb nand nann nano nans naor naos nara nard narn naro narr nars nas- nasa nasb nasd naso nasr nass nbaa nbad nbar nbas nbbo ndaa ndao ndas nddb nddo ndna ndor ndos ndss nndb nnnn nnos nnsa nnss noaa noba nobo nobs noda nodo nods non- nona nonn nono nons noo- noob noon nooo noor noos nor- nora norb nord norn noro norr nors nos- nosa noss nrab nras nrds nrna nron nrrd nrsa nsaa nsar nsbo nsds nsna nsnr nsos nsra nsrd nssa nssb nsso nssr nsss oara oars oass obad oban obas obba obbo obon obor obos obra obro obsd obsn obsr obss odas odbo odda oddd odds odnb odon odoo odor odos odra odso onab onan onar onas onda ondo onna onno onod onon onor onos onra onso ooaa ooba ooda oona oons oooo ooos oora oord oosa orab orad oran orao orar oras orba orbb orbo orbs orda ordn ordo ords orna orno orns oro- oron oror oros orra orro orrs orsa orso osan osar osas osba osno osnr osoo osor osos osrd osro ossa ossb ossd osso raab raad raan raas raba rabb rabo rabs rada radd rado radr rads rana rand rann rano rans raob raos rara rarb raro rars rasa rasd raso rass rbbb rbbr rbbs rbds rbsd rbss rdas rdna rdos rdso rnas rnbr rnds rnod roab road roan roar roas rob- roba robb robo robs roda