-er a-a a-b aaa aab aad aae aah aam aar aas ab- aba abb abd abe abh abm abr abs ad- ada adb add ade adh adm adr ads aea aeb aed aee aeh aem aer aes aha ahb ahd ahe ahh ahm ahr ahs ama amb amd ame amh amm amr ams ar- ara arb ard are arh arm arr ars as- asa asb asd ase ash asm asr ass baa bab bad bae bah bam bar bas bba bbb bbd bbe bbh bbm bbr bbs bda bdb bdd bde bdh bdm bdr bds be- bea beb bed bee beh bem ber bes bha bhb bhd bhe bhh bhm bhr bhs bma bmb bmd bme bmh bmm bmr bms bra brb brd bre brh brm brr brs bsa bsb bsd bse bsh bsm bsr bss daa dab dad dae dah dam dar das dba dbb dbd dbe dbh dbm dbr dbs dda ddb ddd dde ddh ddm ddr dds de- dea deb ded dee deh dem der des dh- dha dhb dhd dhe dhh dhm dhr dhs dma dmb dmd dme dmh dmm dmr dms dra drb drd dre drm drr drs dsa dsb dsd dse dsh dsm dsr dss eaa eab ead eae eah eam ear eas eba ebb ebd ebe ebh ebm ebr ebs ed- eda edb edd ede edh edm edr eds eea eeb eed eee eem eer ees eha ehb ehd ehe ehh ehm ehr ehs em- ema emb emd eme emh emm emr ems era erb erd ere erh erm err ers es- esa esb esd ese esh esm esr ess haa hab had hae hah ham har has hba hbb hbd hbe hbh hbm hbr hbs hda hdb hdd hde hdh hdm hdr hds he- hea heb hed hee heh hem her hes hha hhb hhd hhe hhh hhm hhr hhs hma hmb hmd hme hmh hmm hmr hms hr- hra hrb hrd hre hrh hrm hrr hrs hsa hsb hsd hse hsh hsm hsr hss m-r maa mab mad mae mah mam mar mas mba mbb mbd mbe mbh mbm mbr mbs mda mdb mdd mde mdh mdm mdr mds mea meb med mee meh mem mer mes mha mhd mhh mhm mhr mhs mma mmb mmd mme mmh mmm mmr mms mra mrb mrd mre mrh mrm mrr mrs msa msb msd mse msh msm msr mss ra- raa rab rad rae rah ram rar ras rba rbb rbd rbe rbh rbm rbr rbs rda rdb rdd rde rdh rdm rdr rds re- rea reb red ree reh rem rer res rh- rha rhb rhd rhe rhh rhm rhr rhs rma rmb rmd rme rmh rmm rmr rms rra rrb rrd rrh rrm rrr rrs rsa rsb rsd rse rsh rsm rsr rss saa sab sad sae sah sam sar sas sba sbb sbd sbe sbh sbm sbr sbs sda sdb sdd sde sdh sdm sdr sds se- sea seb sed see seh sem ser ses sh- sha shb shd she shh shm shr shs sma smb smd sme smh smm smr sms sr- sra srb srd sre srh srm srr srs ss- ssa ssb ssd sse ssh ssm ssr sss