a-a a-b a-i aaa aab aad aai aam aan aar aas ab- aba abb abd abi abm abn abr abs ad- ada adb add adi adm adn adr ads ai- aia aib aid aii aim ain air ais ama amb amd ami amm amn amr ams an- ana anb and ani anm ann anr ans ar- ara arb ard ari arm arn arr ars as- asa asb asd asi asm asn asr ass baa bab bad bai bam ban bar bas bba bbb bbd bbi bbm bbn bbr bbs bda bdb bdd bdi bdm bdr bds bi- bia bib bid bii bim bin bir bis bma bmb bmd bmi bmm bmn bmr bms bna bnb bnd bni bnn bnr bns bra brb brd bri brm brn brr brs bsa bsb bsd bsi bsm bsn bsr bss daa dab dad dai dam dan dar das dba dbb dbd dbi dbm dbn dbr dbs dda ddb ddd ddi ddm ddn ddr dds di- dia dib did dii dim din dir dis dma dmb dmd dmi dmm dmn dmr dms dna dnb dnd dni dnm dnn dnr dns dra drb drd dri drm drn drr drs dsa dsb dsd dsi dsm dsn dsr dss i-d ia- iaa iab iad iai iam ian iar ias iba ibb ibd ibi ibm ibn ibr ibs ida idb idd idi idm idn idr ids iia iib iid iii iim iin iir iis im- ima imb imd imi imm imn ims in- ina inb ind ini inm inn inr ins ir- ira irb ird iri irm irn irr irs is- isa isb isd isi ism isn isr iss m-r maa mab mad mai mam man mar mas mba mbb mbd mbi mbm mbr mbs mda mdb mdd mdi mdm mdn mdr mds mi- mia mib mid mii mim min mir mis mma mmb mmd mmi mmm mmn mmr mms mna mnb mni mnm mnn mnr mns mra mrb mrd mri mrm mrn mrr mrs msa msb msd msi msm msn msr mss n-i naa nab nad nai nam nan nar nas nba nbb nbd nbi nbm nbn nbr nbs nda ndb ndd ndi ndm ndn ndr nds nia nib nid nii nim nin nir nis nma nmb nmd nmi nmm nmn nmr nms nna nnb nni nnm nnn nns nra nrb nrd nri nrm nrn nrr nrs nsa nsb nsd nsi nsm nsn nsr nss ra- raa rab rad rai ram ran rar ras rba rbb rbd rbi rbm rbn rbr rbs rda rdb rdd rdi rdm rdn rdr rds ria rib rid rii rim rin rir ris rma rmb rmd rmi rmm rmn rmr rms rna rnb rnd rni rnm rnn rnr rns rra rrb rrd rri rrm rrn rrr rrs rsa rsb rsd rsi rsm rsn rsr rss saa sab sad sai sam san sar sas sba sbb sbd sbi sbm sbn sbr sbs sda sdb sdd sdi sdm sdn sdr sds sia sib sid sii sim sin sir sis sma smb smd smi smm smn smr sms sna snb snd sni snm snn snr sns sr- sra srb srd sri srm srn srr srs ss- ssa ssb ssd ssi ssm ssn ssr sss