a-a a-b a-i a-t aaa aab aad aae aai aam aan aas aat ab- aba abb abd abe abi abm abn abs abt ad- ada adb add ade adi adm adn ads adt aea aeb aed aee aei aem aen aes aet ai- aia aib aid aie aii aim ain ais ait ama amb amd ame ami amm amn ams amt an- ana anb and ane ani anm ann ans ant as- asa asb asd ase asi asm asn ass ast at- ata atb atd ate ati atm atn ats att baa bab bad bae bai bam ban bas bat bba bbb bbd bbe bbi bbm bbn bbs bbt bda bdb bdd bde bdi bdm bds bdt be- bea beb bed bee bei bem ben bes bet bi- bia bib bid bie bii bim bin bis bit bma bmb bmd bme bmi bmm bmn bms bmt bna bnb bnd bne bni bnn bns bnt bsa bsb bsd bse bsi bsm bsn bss bst bta btb btd bte bti btm btn bts btt daa dab dad dae dai dam dan das dat dba dbb dbd dbe dbi dbm dbn dbs dbt dda ddb ddd dde ddi ddm ddn dds ddt de- dea deb ded dee dei dem den des det di- dia dib did die dii dim din dis dit dma dmb dmd dme dmi dmm dmn dms dmt dna dnb dnd dne dni dnm dnn dns dnt dsa dsb dsd dse dsi dsm dsn dss dst dta dtb dtd dte dti dtm dtn dts dtt eaa eab ead eae eai eam ean eas eat eba ebb ebd ebe ebi ebm ebn ebs ebt ed- eda edb edd ede edi edm edn eds edt eea eeb eed eee eem een ees eet eia eib eid eie eii eim ein eis eit em- ema emb emd eme emi emm emn ems emt en- ena enb end ene eni enm enn ens ent es- esa esb esd ese esi esm esn ess est eta etb etd ete eti etm etn ets ett i-d ia- iaa iab iad iae iai iam ian ias iat iba ibb ibd ibe ibi ibm ibn ibs ibt ida idb idd ide idi idm idn ids idt ie- iea ied iee iei iem ien ies iet iia iib iid iie iii iim iin iis iit im- ima imb imd ime imi imm imn ims imt in- ina inb ind ine ini inm inn ins int is- isa isb isd ise isi ism isn iss ist ita itb itd ite iti itm itn its itt maa mab mad mae mai mam man mas mat mba mbb mbd mbe mbi mbm mbs mbt mda mdb mdd mde mdi mdm mdn mds mdt mea meb med mee mei mem men mes met mi- mia mib mid mie mii mim min mis mit mma mmb mmd mme mmi mmm mmn mms mmt mna mnb mne mni mnm mnn mns mnt msa msb msd mse msi msm msn mss mst mta mtb mtd mte mti mtm mtn mts mtt n-i naa nab nad nae nai nam nan nas nat nba nbb nbd nbe nbi nbm nbn nbs nbt nda ndb ndd nde ndi ndm ndn nds ndt ne- nea neb ned nee nei nem nen nes net nia nib nid nie nii nim nin nis nit nma nmb nmd nme nmi nmm nmn nms nmt nna nnb nne nni nnm nnn nns nnt nsa nsb nsd nse nsi nsm nsn nss nst nta ntb ntd nte nti ntm ntn nts ntt saa sab sad sae sai sam san sas sat sba sbb sbd sbe sbi sbm sbn sbs sbt sda sdb sdd sde sdi sdm sdn sds sdt se- sea seb sed see sei sem sen ses set sia sib sid sie sii sim sin sis sit sma smb smd sme smi smm smn sms smt sna snb snd sne sni snm snn sns snt ss- ssa ssb ssd sse ssi ssm ssn sss sst sta stb std ste sti stm stn sts stt taa tab tad tae tai tam tan tas tat tba tbb tbd tbe tbi tbm tbn tbs tbt tda tdb tdd tde tdi tdm tdn tds tdt te- tea teb ted tee tei tem ten tes tet tia tib tid tie tii tim tin tis tit tma tmb tmd tme tmi tmm tmn tms tmt tna tnb tnd tne tni tnm tnn tns tnt tsa tsb tsd tse tsi tsm tsn tss tst tta ttb ttd tte tti ttm ttn tts ttt