a-a a-b a-i aaa aab aad aah aai aan aar aas ab- aba abb abd abh abi abn abr abs ad- ada adb add adh adi adn adr ads aha ahb ahd ahh ahi ahn ahr ahs ai- aia aib aid aih aii ain air ais an- ana anb and anh ani ann anr ans ar- ara arb ard arh ari arn arr ars as- asa asb asd ash asi asn asr ass baa bab bad bah bai ban bar bas bba bbb bbd bbh bbi bbn bbr bbs bda bdb bdd bdh bdi bdr bds bha bhb bhd bhh bhi bhr bhs bi- bia bib bid bih bii bin bir bis bna bnb bnd bni bnn bnr bns bra brb brd brh bri brn brr brs bsa bsb bsd bsh bsi bsn bsr bss daa dab dad dah dai dan dar das dba dbb dbd dbh dbi dbn dbr dbs dda ddb ddd ddh ddi ddn ddr dds dh- dha dhb dhd dhh dhi dhr dhs di- dia dib did dih dii din dir dis dna dnb dnd dnh dni dnn dnr dns dra drb drd dri drn drr drs dsa dsb dsd dsh dsi dsn dsr dss h-i haa hab had hah hai han har has hba hbb hbd hbh hbi hbn hbr hbs hda hdb hdd hdh hdi hdn hdr hds hha hhb hhd hhh hhi hhn hhr hhs hia hib hid hih hii hin hir his hna hnb hnd hnh hnn hns hr- hra hrb hrd hrh hri hrn hrr hrs hsa hsb hsd hsh hsi hsn hsr hss i-d ia- iaa iab iad iah iai ian iar ias iba ibb ibd ibh ibi ibn ibr ibs ida idb idd idh idi idn idr ids iha ihb ihd ihh ihi ihn ihr ihs iia iib iid iih iii iin iir iis in- ina inb ind inh ini inn inr ins ir- ira irb ird iri irn irr irs is- isa isb isd ish isi isn isr iss n-i naa nab nad nah nai nan nar nas nba nbb nbd nbi nbn nbr nbs nda ndb ndd ndh ndi ndn ndr nds nha nhb nhd nhh nhi nhn nhr nhs nia nib nid nih nii nin nir nis nna nnb nnh nni nnn nns nra nrb nrd nri nrn nrr nrs nsa nsb nsd nsh nsi nsn nsr nss ra- raa rab rad rah rai ran rar ras rba rbb rbd rbh rbi rbn rbr rbs rda rdb rdd rdh rdi rdn rdr rds rh- rha rhb rhd rhh rhi rhn rhr rhs ria rib rid rih rii rin rir ris rna rnb rnd rnh rni rnn rnr rns rra rrb rrd rrh rri rrn rrr rrs rsa rsb rsd rsh rsi rsn rsr rss saa sab sad sah sai san sar sas sba sbb sbd sbh sbi sbn sbr sbs sda sdb sdd sdh sdi sdn sdr sds sh- sha shb shd shh shi shn shr shs sia sib sid sih sii sin sir sis sna snb snd sni snn snr sns sr- sra srb srd srh sri srn srr srs ss- ssa ssb ssd ssh ssi ssn ssr sss