a-a a-b aaa aab aad aak aan aao aar aas ab- aba abb abd abk abn abo abr abs ad- ada adb add adk adn ado adr ads aka akb akd akk akn ako akr aks an- ana anb and ank ann ano anr ans aoa aob aod aok aon aoo aor aos ar- ara arb ard ark arn aro arr ars as- asa asb asd ask asn aso asr ass baa bab bad bak ban bao bar bas bba bbb bbd bbk bbn bbo bbr bbs bda bdb bdd bdk bdo bdr bds bka bkb bkk bkn bko bkr bks bna bnb bnd bnk bnn bno bnr bns boa bob bod bok bon boo bor bos bra brb brd brk brn bro brr brs bsa bsb bsd bsk bsn bso bsr bss daa dab dad dak dan dao dar das dba dbb dbd dbk dbn dbo dbr dbs dda ddb ddd ddk ddn ddo ddr dds dka dkb dkk dko dkr dks dna dnb dnd dnk dnn dno dnr dns doa dob dod dok don doo dor dos dra drb drd drk drn dro drr drs dsa dsb dsd dsk dsn dso dsr dss ka- kaa kab kad kak kan kao kar kas kba kbb kbd kbk kbn kbo kbr kbs kda kdb kdk kdo kdr kds kkb kkk kkn kkr kks kn- kna knd knk knn kno knr koa kob kod kok kon koo kor kos kra krd krk krn kro krr krs ksa ksb ksd ksk ksn kso ksr kss naa nab nad nak nan nao nar nas nba nbb nbd nbk nbn nbo nbr nbs nda ndb ndd ndk ndn ndo ndr nds nka nkk nkn nko nkr nks nna nnb nnk nnn nno nns no- noa nob nod nok non noo nor nos nra nrb nrd nrk nrn nro nrr nrs nsa nsb nsd nsk nsn nso nsr nss oaa oab oad oak oan oao oar oas ob- oba obb obd obk obn obo obr obs oda odb odd odn odo odr ods oka okb okd okk oko okr oks on- ona onb ond onk onn ono onr ons oo- ooa oob ood ook oon ooo oor oos or- ora orb ord ork orn oro orr ors os- osa osb osd osk osn oso osr oss ra- raa rab rad rak ran rao rar ras rba rbb rbd rbk rbn rbo rbr rbs rda rdb rdd rdn rdo rdr rds rkb rkk rko rks rna rnb rnd rnn rno rnr rns roa rob rod rok ron roo ror ros rra rrb rrd rrk rrn rrr rrs rsa rsb rsd rsk rsn rso rsr rss saa sab sad sak san sao sar sas sba sbb sbd sbk sbn sbo sbr sbs sda sdb sdd sdk sdn sdo sdr sds sk- ska skb skd skk sko skr sks sna snb snd snk snn sno snr sns soa sob sod sok son soo sor sos sr- sra srb srd srk srn sro srr srs ss- ssa ssb ssd ssk ssn sso ssr sss

-ana a-ak a-do a-ok aaaa aaab aaad aaan aaar aaas aaba aabb aabd aada aads aaka aana aand aaon aaoo aara aard aaro aars aasa aasd aass abaa abab abad abak aban abar abas abb- abba abbb abbo abbr abbs abda abdo aboa abob abod abok abon aboo abor abos abra abro abrs abs- absa absd abss adaa adab adad adak adan adao adar adas adba adda addd addn addo addr adds adna adns adob adod adok adon adoo ador ados adra adro adrs adsa adso adsr adss akaa akan akao akar akas akdn akka akko akna akok akon akos akr- akra aksa ana- anaa anab anad anak anan anao anar anas anba anbb anbo and- anda ando andr ands ank- anka anko anna annb anno anns ano- anoa anod anon anor anos ansa ansd anso aoba aoks aonb aono aora aorb aorn aors aosd aoss arab arad arak aran arar aras arba arbs arda ardo ards arka arko arks arna arnd arnk arno arns aroa arob arod aron aroo aror aros arr- arra arrk arro arrr arrs ars- arsa arsd arsk arso asaa asab asad asak asan asao asar asas asba asbo asda asdo asds aska asko askr asks asno asob asod asok ason asor asos asra asro asrs assa assd assk assn asso assr asss baaa baad baak baan baar baas baba babb babo babr babs bada badb badd bado badr bads bak- baka bako bakr baks bana band bank bann bano banr bans baon baos bar- bara barb bard bark barn baro barr bars basa bask baso bass bbad bbas bbbb bbbs bbdd bbdo bd-r bdna bdos bdsd bnas bnor bnrr bnss boab boad boak boan boar boas boba bobb bobo bobs boda bodb bodo bods boka bokn boko boks bona bond bonk bonn bono bons boob bood book boon boor boos bor- bora bord bork born boro borr bors bosa bosk bosn boso boss brab brad brak bran brao bras brda brdo brds brka brkb brna brno brns broa brob brod brok 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 daka dako daks dana dand dank dann dano danr dans daon daos dara darb dard dark darn daro darr dars dasa dasb dasd dask dass dbar dbas dbos dbrn dbrs dbsa dbss dddd ddss dkba dnaa dnab dnad dnan dnas dnsa doab doak doan doar doas doba dobb dobs dod- doda dodd dodo dods doka doko dona dond donk donn dono donr dons doob dood dook doon door doos dora dord dork dorn doro dorr dors dosa dosk doso doss draa drab drad drak drar dras drba drda drna drno drob drod dron drra drrs drsa dsba dsda dsdr dsoa dsos dsrr dssa dssn k-os kaaa kaab kaak kaan kaar kaas kaba kabb kabd kabo kabr kad- kada kadd kado kadr kads kaka kakk kakn kako