a-a a-b a-i a-t aaa aab aad aae aai aam aan aat ab- aba abb abd abe abi abm abn abt ad- ada adb add ade adi adm adn adt aea aeb aed aee aei aem aen aet ai- aia aib aid aie aii aim ain ait ama amb amd ame ami amm amn amt an- ana anb and ane ani anm ann ant at- ata atb atd ate ati atm atn att baa bab bad bae bai bam ban bat bba bbb bbd bbe bbi bbm bbn bbt bda bdb bdd bde bdi bdm bdt be- bea beb bed bee bei bem ben bet bi- bia bib bid bie bii bim bin bit bma bmb bmd bme bmi bmm bmn bmt bna bnb bnd bne bni bnn bnt bta btb btd bte bti btm btn btt daa dab dad dae dai dam dan dat dba dbb dbd dbe dbi dbm dbn dbt dda ddb ddd dde ddi ddm ddn ddt de- dea deb ded dee dei dem den det di- dia dib did die dii dim din dit dma dmb dmd dme dmi dmm dmn dmt dna dnb dnd dne dni dnm dnn dnt dta dtb dtd dte dti dtm dtn dtt eaa eab ead eae eai eam ean eat eba ebb ebd ebe ebi ebm ebn ebt ed- eda edb edd ede edi edm edn edt eea eeb eed eee eem een eet eia eib eid eie eii eim ein eit em- ema emb emd eme emi emm emn emt en- ena enb end ene eni enm enn ent eta etb etd ete eti etm etn ett i-d ia- iaa iab iad iae iai iam ian iat iba ibb ibd ibe ibi ibm ibn ibt ida idb idd ide idi idm idn idt ie- iea ied iee iei iem ien iet iia iib iid iie iii iim iin iit im- ima imb imd ime imi imm imn imt in- ina inb ind ine ini inm inn int ita itb itd ite iti itm itn itt maa mab mad mae mai mam man mat mba mbb mbd mbe mbi mbm mbt mda mdb mdd mde mdi mdm mdn mdt mea meb med mee mei mem men met mi- mia mib mid mie mii mim min mit mma mmb mmd mme mmi mmm mmn mmt mna mnb mne mni mnm mnn mnt mta mtb mtd mte mti mtm mtn mtt n-i naa nab nad nae nai nam nan nat nba nbb nbd nbe nbi nbm nbn nbt nda ndb ndd nde ndi ndm ndn ndt ne- nea neb ned nee nei nem nen net nia nib nid nie nii nim nin nit nma nmb nmd nme nmi nmm nmn nmt nna nnb nne nni nnm nnn nnt nta ntb ntd nte nti ntm ntn ntt taa tab tad tae tai tam tan tat tba tbb tbd tbe tbi tbm tbn tbt tda tdb tdd tde tdi tdm tdn tdt te- tea teb ted tee tei tem ten tet tia tib tid tie tii tim tin tit tma tmb tmd tme tmi tmm tmn tmt tna tnb tnd tne tni tnm tnn tnt tta ttb ttd tte tti ttm ttn ttt