-er a-a a-b a-i a-t aaa aab aad aae aai aam aan aar aas aat ab- aba abb abd abe abi abm abn abr abs abt ad- ada adb add ade adi adm adn adr ads adt aea aeb aed aee aei aem aen aer aes aet ai- aia aib aid aie aii aim ain air ais ait ama amb amd ame ami amm amn amr ams amt an- ana anb and ane ani anm ann anr ans ant ar- ara arb ard are ari arm arn arr ars art as- asa asb asd ase asi asm asn asr ass ast at- ata atb atd ate ati atm atn atr ats att baa bab bad bae bai bam ban bar bas bat bba bbb bbd bbe bbi bbm bbn bbr bbs bbt bda bdb bdd bde bdi bdm bdr bds bdt be- bea beb bed bee bei bem ben ber bes bet bi- bia bib bid bie bii bim bin bir bis bit bma bmb bmd bme bmi bmm bmn bmr bms bmt bna bnb bnd bne bni bnn bnr bns bnt bra brb brd bre bri brm brn brr brs brt bsa bsb bsd bse bsi bsm bsn bsr bss bst bta btb btd bte bti btm btn btr bts btt daa dab dad dae dai dam dan dar das dat dba dbb dbd dbe dbi dbm dbn dbr dbs dbt dda ddb ddd dde ddi ddm ddn ddr dds ddt de- dea deb ded dee dei dem den der des det di- dia dib did die dii dim din dir dis dit dma dmb dmd dme dmi dmm dmn dmr dms dmt dna dnb dnd dne dni dnm dnn dnr dns dnt dra drb drd dre dri drm drn drr drs drt dsa dsb dsd dse dsi dsm dsn dsr dss dst dta dtb dtd dte dti dtm dtn dtr dts dtt eaa eab ead eae eai eam ean ear eas eat eba ebb ebd ebe ebi ebm ebn ebr ebs ebt ed- eda edb edd ede edi edm edn edr eds edt eea eeb eed eee eem een eer ees eet eia eib eid eie eii eim ein eir eis eit em- ema emb emd eme emi emm emn emr ems emt en- ena enb end ene eni enm enn enr ens ent era erb erd ere eri erm ern err ers ert es- esa esb esd ese esi esm esn esr ess est eta etb etd ete eti etm etn etr ets ett i-d ia- iaa iab iad iae iai iam ian iar ias iat iba ibb ibd ibe ibi ibm ibn ibr ibs ibt ida idb idd ide idi idm idn idr ids idt ie- iea ied iee iei iem ien ier ies iet iia iib iid iie iii iim iin iir iis iit im- ima imb imd ime imi imm imn ims imt in- ina inb ind ine ini inm inn inr ins int ir- ira irb ird ire iri irm irn irr irs irt is- isa isb isd ise isi ism isn isr iss ist ita itb itd ite iti itm itn its itt m-r maa mab mad mae mai mam man mar mas mat mba mbb mbd mbe mbi mbm mbr mbs mbt mda mdb mdd mde mdi mdm mdn mdr mds mdt mea meb med mee mei mem men mer mes met mi- mia mib mid mie mii mim min mir mis mit mma mmb mmd mme mmi mmm mmn mmr mms mmt mna mnb mne mni mnm mnn mnr mns mnt mra mrb mrd mre mri mrm mrn mrr mrs mrt msa msb msd mse msi msm msn msr mss mst mta mtb mtd mte mti mtm mtn mtr mts mtt n-i naa nab nad nae nai nam nan nar nas nat nba nbb nbd nbe nbi nbm nbn nbr nbs nbt nda ndb ndd nde ndi ndm ndn ndr nds ndt ne- nea neb ned nee nei nem nen ner nes net nia nib nid nie nii nim nin nir nis nit nma nmb nmd nme nmi nmm nmn nmr nms nmt nna nnb nne nni nnm nnn nns nnt nra nrb nrd nre nri nrm nrn nrr nrs nrt nsa nsb nsd nse nsi nsm nsn nsr nss nst nta ntb ntd nte nti ntm ntn ntr nts ntt ra- raa rab rad rae rai ram ran rar ras rat rba rbb rbd rbe rbi rbm rbn rbr rbs rbt rda rdb rdd rde rdi rdm rdn rdr rds rdt re- rea reb red ree rei rem ren rer res ret ria rib rid rie rii rim rin rir ris rit rma rmb rmd rme rmi rmm rmn rmr rms rmt rna rnb rnd rni rnm rnn rnr rns rnt rra rrb rrd rri rrm rrn rrr rrs rrt rsa rsb rsd rse rsi rsm rsn rsr rss rst rta rtb rtd rte rti rtm rtn rtr rts rtt saa sab sad sae sai sam san sar sas sat sba sbb sbd sbe sbi sbm sbn sbr sbs sbt sda sdb sdd sde sdi sdm sdn sdr sds sdt se- sea seb sed see sei sem sen ser ses set sia sib sid sie sii sim sin sir sis sit sma smb smd sme smi smm smn smr sms smt sna snb snd sne sni snm snn snr sns snt sr- sra srb srd sre sri srm srn srr srs srt ss- ssa ssb ssd sse ssi ssm ssn ssr sss sst sta stb std ste sti stm stn str sts stt taa tab tad tae tai tam tan tar tas tat tba tbb tbd tbe tbi tbm tbn tbr tbs tbt tda tdb tdd tde tdi tdm tdn tdr tds tdt te- tea teb ted tee tei tem ten ter tes tet tia tib tid tie tii tim tin tir tis tit tma tmb tmd tme tmi tmm tmn tmr tms tmt tna tnb tnd tne tni tnm tnn tnr tns tnt tra trb trd tre tri