a-a a-b aaa aab aah aan aao aar aas ab- aba abb abh abn abo abr abs aha ahb ahh ahn aho ahr ahs an- ana anb anh ann ano anr ans aoa aob aoh aon aoo aor aos ar- ara arb arh arn aro arr ars as- asa asb ash asn aso asr ass baa bab bah ban bao bar bas bba bbb bbh bbn bbo bbr bbs bha bhb bhh bho bhr bhs bna bnb bnn bno bnr bns boa bob boh bon boo bor bos bra brb brh brn bro brr brs bsa bsb bsh bsn bso bsr bss haa hab hah han hao har has hba hbb hbh hbn hbo hbr hbs hha hhb hhh hhn hho hhr hhs hna hnb hnh hnn hno hns hoa hob hoh hon hoo hor hos hr- hra hrb hrh hrn hro hrr hrs hsa hsb hsh hsn hsr hss naa nab nah nan nao nar nas nba nbb nbn nbo nbr nbs nha nhb nhh nhn nhr nhs nna nnb nnh nnn nno nns no- noa nob noh non noo nor nos nra nrb nrn nro nrr nrs nsa nsb nsh nsn nso nsr nss oaa oab oah oan oao oar oas ob- oba obb obh obn obo obr obs oha ohh ohn oho ohr ohs on- ona onb onh onn ono onr ons oo- ooa oob ooh oon ooo oor oos or- ora orb orh orn oro orr ors os- osa osb osh osn oso osr oss ra- raa rab rah ran rao rar ras rba rbb rbh rbn rbo rbr rbs rh- rha rhb rhh rhn rho rhr rhs rna rnb rnh rnn rno rnr rns roa rob roh ron roo ror ros rra rrb rrh rrn rrr rrs rsa rsb rsh rsn rso rsr rss saa sab sah san sao sar sas sba sbb sbh sbn sbo sbr sbs sh- sha shb shh shn sho shr shs sna snb snn sno snr sns soa sob soh son soo sor sos sr- sra srb srh srn sro srr srs ss- ssa ssb ssh ssn sso ssr sss

-ana a-ha aaaa aaab aaah aaan aaar aaas aaba aabb aabh aaha aahs aana aaon aaoo aara aaro aars aasa aass abaa abab aban abar abas abb- abba abbb abbo abbr abbs abha abho abhr abhs aboa abob aboh abon aboo abor abos abra abro abrs abs- absa abss ahab ahah ahar ahas ahha ahhs ahoa ahor ahra ahrr ahrs ahsa ahso ahss ana- anaa anab anah anan anao anar anas anba anbb anbo anha anhs anna annb anno anns ano- anoa anon anor anos ansa anso aoah aoba aonb aono aora aorb aorn aors aoss arab arah aran arar aras arba arbh arbs arh- arhs arna arno arns aroa arob aron aroo aror aros arr- arra arrh arro arrr arrs ars- arsa arso asaa asab asah asan asao asar asas asba asbo asha ashs asno asob ason asor asos asra asro asrs assa assh assn asso assr asss baaa baah baan baar baas baba babb babo babr babs baha bahn baho bahr bahs bana banh bann bano banr bans baoh baon baos bar- bara barb barh barn baro barr bars basa bash baso bass bbas bbbb bbbs bbhs bhan bhao bhar bhhs bhor bhra bnas bnhs bnor bnrr bnss boab boan boar boas boba bobb bobo bobs boha bohn boho bohr bohs bona bonn bono bons boob booh boon boor boos bor- bora borh born boro borr bors bosa bosh bosn boso boss brab brah bran brao bras brhs brna brno brns broa brob broh bron broo bror bros brrr brrs brsb brsr bsaa bsas bshs bsns bson bsos bsra haab haan haar haas haba habo habs haha hahn haho hahs hana hann hano hans haon haor hara harh harn haro harr hars hasa hash hass hbar hbbs hbhs hbos hbrs hbss hhaa hhhh hhhs hnhs hnna hoan hoar hoas hoba hobo hobs hoha hohn hoho hono hons hoon hoor hoos hora horn horo horr hors hosa hosh hoss hran hras hrhs hrob hron hros hrso hsas hshs hsob hson naaa naab naan naar naas naba nabo nabs naha nahr nahs nan- nana nanb nann nano nans naoh naor naos nara narh narn naro narr nars nas- nasa nasb nash naso nasr nass nbaa nbar nbas nbbo nbhs nhhs nhnn nhon nhra nnhs nnnn nnos nnsa nnss noaa noah noba nobo nobs noha nohn noho nohs non- nona nonn nono nons noo- noob noon nooo noor noos nor- nora norb norn noro norr nors nos- nosa nosh noss nrab nras nrhs nrna nron nrsa nsaa nsar nsbo nshs nsna nsnr nsos nsra nssa nssb nsso nssr nsss oahs oara oars oass oban obas obba obbo obhs obon obor obos obra obrh obro obsn obsr obss ohan ohba ohho ohhs ohno ohob ohoh ohos ohra ohrn ohso ohss onab onah onan onar onas onha onna onno onon onor onos onra onso ooaa ooba ooha ooho oohs oona oons oooh oooo ooos oora oosa orab orah oran orao orar oras orba orbb orbo orbs orhs orna orno orns oro- oron oror oros orra orro orrs orsa orso osan osar osas osba osha osho oshs osno osnr osoo osor osos osro ossa ossb osso raab raan raas raba rabb rabo rabs raha rahn rahr rahs rana rann rano rans raob raoh raos rara rarb raro rars rasa rash raso rass rbbb rbbr rbbs rbhs rboh rbss rhhs rhoa rhob rhoh rhon rhos rnas rnbr rnsh roab roan roar roas rob- roba robb robo robs roha rohn rohr rohs rona rono rons roob roon roor roos rora roro rosa rosh roso ross rrah rras rrhs rrna rrrr rsaa rshs rsna rsnn rsno rsnr rsos rssa s-os saab saah saan saar saas saba sabb sabo sabr sabs saha sahn saho sahr sahs sana sann sano sanr sans saon saor saos sara sarh sarn saro sarr sars sasa sash saso sass sbaa sbar sbas sbbs sbhs sbor sbsa shab shah shan shao shar shas shbs