a-a a-b aaa aab aad aaj aan aao aar aas aau ab- aba abb abd abj abn abo abr abs abu ad- ada adb add adj adn ado adr ads adu aja ajb ajd ajj ajn ajo ajr ajs aju an- ana anb and anj ann ano anr ans anu aoa aob aod aoj aon aoo aor aos aou ar- ara arb ard arj arn aro arr ars aru as- asa asb asd asj asn aso asr ass asu au- aua aub aud auj aun auo aur aus b-u baa bab bad baj ban bao bar bas bau bba bbb bbd bbn bbo bbr bbs bbu bda bdb bdd bdj bdo bdr bds bdu bja bjd bjj bjn bjr bjs bju bna bnb bnd bnj bnn bno bnr bns bnu boa bob bod boj bon boo bor bos bou bra brb brd brj brn bro brr brs bru bsa bsb bsd bsj bsn bso bsr bss bsu bua bub bud buj bun buo bur bus buu daa dab dad daj dan dao dar das dau dba dbb dbd dbn dbo dbr dbs dbu dda ddb ddd ddn ddo ddr dds ddu dj- dja djb djd djo djs dna dnb dnd dnj dnn dno dnr dns doa dob dod doj don doo dor dos dou dra drb drd drj drn dro drr drs dru dsa dsb dsd dsj dsn dso dsr dss dsu dua dub dud dun duo dur dus j-d jaa jab jad jaj jan jao jar jas jau jba jbj jbo jbr jbs jbu jda jdb jdn jdo jdr jds jja jjb jjj jjr jjs jju jna jnd jnj jnn jno jnr jns jnu joa job jod joj jon joo jor jos jou jra jrb jrn jro jrr jrs jsa jsb jsd jsj jsn jso jsr jss jsu jub jud jun juo jur jus naa nab nad naj nan nao nar nas nau nba nbb nbd nbn nbo nbr nbs nbu nda ndb ndd ndn ndo ndr nds ndu nja njn njs nju nna nnb nnn nno nns nnu no- noa nob nod noj non noo nor nos nou nra nrb nrd nrj nrn nro nrr nrs nru nsa nsb nsd nsn nso nsr nss nsu nua nub nud nuj nun nuo nur nus nuu oaa oab oad oaj oan oao oar oas oau ob- oba obb obd obj obn obo obr obs obu oda odb odd odn odo odr ods odu oja ojb ojd ojo ojs oju on- ona onb ond onj onn ono onr ons onu oo- ooa oob ood oon ooo oor oos or- ora orb ord orn oro orr ors oru os- osa osb osd osj osn oso osr oss osu ou- oua oud oun ouo our ous ra- raa rab rad raj ran rao rar ras rau rba rbb rbd rbn rbo rbr rbs rbu rda rdb rdd rdj rdn rdo rdr rds rdu rja rjr rna rnb rnd rnn rno rnr rns rnu roa rob rod roj ron roo ror ros rou rra rrb rrd rrn rrr rrs rru rsa rsb rsd rsj rsn rso rsr rss rsu rua rub rud run ruo rur rus ruu saa sab sad saj san sao sar sas sau sba sbb sbd sbj sbn sbo sbr sbs sbu sda sdb sdd sdj sdn sdo sdr sds sdu sja sjb sjd sjj sjr sjs sju sna snb snd snj snn sno snr sns snu soa sob sod soj son soo sor sos sou sr- sra srb srd srj srn sro srr srs ss- ssa ssb ssd ssj ssn sso ssr sss ssu sua sub sud sun suo sur sus suu ua- uaa uab uad uaj uan uao uar uas uau uba ubb ubn ubo ubr ubs ubu uda udb udd udj udn udo udr uds udu ujo ujs un- una unb und unn uno unr uns unu uoa uob uod uoj uon uoo uor uos ur- ura urb urd urn uro urr urs uru usa usb usd usj usn uso usr uss usu uua uun uur uus uuu