a-a a-b a-i aaa aab aad aag aai aan aao aar aas aau ab- aba abb abd abg abi abn abo abr abs abu ad- ada adb add adg adi adn ado adr ads adu ag- aga agb agd agg agi agn ago agr ags agu ai- aia aib aid aig aii ain aio air ais aiu an- ana anb and ang ani ann ano anr ans anu aoa aob aod aog aoi aon aoo aor aos aou ar- ara arb ard arg ari arn aro arr ars aru as- asa asb asd asg asi asn aso asr ass asu au- aua aub aud aug aui aun auo aur aus b-u baa bab bad bag bai ban bao bar bas bau bba bbb bbd bbg bbi bbn bbo bbr bbs bbu bda bdb bdd bdg bdi bdo bdr bds bdu bga bgb bgd bgg bgi bgn bgo bgr bgs bgu bi- bia bib bid big bii bin bio bir bis biu bna bnb bnd bng bni bnn bno bnr bns bnu boa bob bod bog boi bon boo bor bos bou bra brb brd brg bri brn bro brr brs bru bsa bsb bsd bsg bsi bsn bso bsr bss bsu bua bub bud bug bui bun buo bur bus buu daa dab dad dag dai dan dao dar das dau dba dbb dbd dbg dbi dbn dbo dbr dbs dbu dda ddb ddd ddg ddi ddn ddo ddr dds ddu dga dgd dgg dgi dgn dgr dgs dgu di- dia dib did dig dii din dio dir dis diu dna dnb dnd dng dni dnn dno dnr dns doa dob dod dog doi don doo dor dos dou dra drb drd drg dri drn dro drr drs dru dsa dsb dsd dsg dsi dsn dso dsr dss dsu dua dub dud dug dui dun duo dur dus g-d gaa gab gad gag gai gan gao gar gas gau gba gbd gbg gbi gbn gbo gbr gbs gbu gda gdb gdd gdi gdn gdo gdr gds gdu gga ggb ggd ggg ggi ggn ggo ggr ggs ggu gia gib gid gig gii gin gio gir gis giu gna gnb gnd gni gnn gno gnr gns gnu goa gob god gog goi gon goo gor gos gou gra grb grd grg gri grn gro grr grs gru gsa gsb gsd gsg gsi gsn gso gsr gss gsu gu- gua gub gud gug gui gun guo gur gus guu i-d ia- iaa iab iad iag iai ian iao iar ias iau iba ibb ibd ibg ibi ibn ibo ibr ibs ibu ida idb idd idg idi idn ido idr ids idu iga igb igd igg igi ign igo igr igs igu iia iib iid iii iin iio iir iis iiu in- ina inb ind ing ini inn ino inr ins inu io- ioa iob iod iog ioi ion ioo ior ios iou ir- ira irb ird irg iri irn iro irr irs iru is- isa isb isd isg isi isn iso isr iss isu iu- iua iub iud iug iui iur ius n-i naa nab nad nag nai nan nao nar nas nau nba nbb nbd nbg nbi nbn nbo nbr nbs nbu nda ndb ndd ndg ndi ndn ndo ndr nds ndu nga ngb ngd ngg ngi ngn ngo ngs ngu nia nib nid nig nii nin nio nir nis niu nna nnb nng nni nnn nno nns nnu no- noa nob nod nog noi non noo nor nos nou nra nrb nrd nrg nri nrn nro nrr nrs nru nsa nsb nsd nsg nsi nsn nso nsr nss nsu nua nub nud nug nui nun nuo nur nus nuu o-i oaa oab oad oag oai oan oao oar oas oau ob- oba obb obd obg obi obn obo obr obs obu oda odb odd odg odi odn odo odr ods odu oga ogd ogg ogi ogn ogo ogs oia oib oid oii oin oio oir ois oiu on- ona onb ond ong oni onn ono onr ons onu oo- ooa oob ood oog ooi oon ooo oor oos or- ora orb ord org ori orn oro orr ors oru os- osa osb osd osg osi osn oso osr oss osu ou- oua oud oui oun ouo our ous ra- raa rab rad rag rai ran rao rar ras rau rba rbb rbd rbg rbi rbn rbo rbr rbs rbu rda rdb rdd rdg rdi rdn rdo rdr rds rdu rga rgb rgd rgg rgi rgn rgo rgr rgs ria rib rid rig rii rin rio rir ris rna rnb rnd rng rni rnn rno rnr rns rnu roa rob rod rog roi ron roo ror ros rou rra rrb rrd rrg rri rrn rrr rrs rru rsa rsb rsd rsg rsi rsn rso rsr rss rsu rua rub rud rug rui run ruo rur rus ruu saa sab sad sag sai san sao sar sas sau sba sbb sbd sbg sbi sbn sbo sbr sbs sbu sda sdb sdd sdg sdi sdn sdo sdr sds sdu sga sgb sgd sgg sgi sgn sgo sgr sgs sgu sia sib sid sig sii sin sio sir sis siu sna snb snd sng sni snn sno snr sns snu soa sob sod sog soi son soo sor sos sou sr- sra srb srd srg sri srn sro srr srs ss- ssa ssb ssd ssg ssi ssn sso ssr sss ssu sua sub sud sug sui sun suo sur sus suu ua- uaa uab uad uag uai uan uao uar uas uau uba ubb ubg ubi ubn ubo ubr ubs ubu uda udb udd udg udi udn udo udr uds udu uga ugb ugg ugi ugn ugo ugr ugs ugu uia uib uid uig uii uin uio uir uis uiu un- una unb und ung uni unn uno unr uns unu uoa uob uod uog uon uoo uor uos ur- ura urb urd urg uri urn uro urr urs uru usa usb usd usg usi usn uso usr uss usu uua uug uun uur