a-a a-b a-i a-t aaa aab aad aae aag aai aan aas aat ab- aba abb abd abe abg abi abn abs abt ad- ada adb add ade adg adi adn ads adt aea aeb aed aee aeg aei aen aes aet ag- aga agb agd age agg agi agn ags agt ai- aia aib aid aie aig aii ain ais ait an- ana anb and ane ang ani ann ans ant as- asa asb asd ase asg asi asn ass ast at- ata atb atd ate atg ati atn ats att baa bab bad bae bag bai ban bas bat bba bbb bbd bbe bbg bbi bbn bbs bbt bda bdb bdd bde bdg bdi bds bdt be- bea beb bed bee beg bei ben bes bet bga bgb bgd bge bgg bgi bgn bgs bgt bi- bia bib bid bie big bii bin bis bit bna bnb bnd bne bng bni bnn bns bnt bsa bsb bsd bse bsg bsi bsn bss bst bta btb btd bte btg bti btn bts btt daa dab dad dae dag dai dan das dat dba dbb dbd dbe dbg dbi dbn dbs dbt dda ddb ddd dde ddg ddi ddn dds ddt de- dea deb ded dee deg dei den des det dga dgd dge dgg dgi dgn dgs dgt di- dia dib did die dig dii din dis dit dna dnb dnd dne dng dni dnn dns dnt dsa dsb dsd dse dsg dsi dsn dss dst dta dtb dtd dte dtg dti dtn dts dtt eaa eab ead eae eag eai ean eas eat eba ebb ebd ebe ebg ebi ebn ebs ebt ed- eda edb edd ede edg edi edn eds edt eea eeb eed eee eeg een ees eet ega egb egd ege egg egi egn egs egt eia eib eid eie eig eii ein eis eit en- ena enb end ene eng eni enn ens ent es- esa esb esd ese esg esi esn ess est eta etb etd ete etg eti etn ets ett g-d gaa gab gad gae gag gai gan gas gat gba gbd gbe gbg gbi gbn gbs gbt gda gdb gdd gde gdi gdn gds gdt ge- gea geb ged gee geg gei gen ges get gga ggb ggd ggg ggi ggn ggs ggt gia gib gid gie gig gii gin gis git gna gnb gnd gne gni gnn gns gnt gsa gsb gsd gse gsg gsi gsn gss gst gta gtb gtd gte gtg gti gtn gts gtt i-d ia- iaa iab iad iae iag iai ian ias iat iba ibb ibd ibe ibg ibi ibn ibs ibt ida idb idd ide idg idi idn ids idt ie- iea ied iee ieg iei ien ies iet iga igb igd ige igg igi ign igs igt iia iib iid iie iii iin iis iit in- ina inb ind ine ing ini inn ins int is- isa isb isd ise isg isi isn iss ist ita itb itd ite itg iti itn its itt n-i naa nab nad nae nag nai nan nas nat nba nbb nbd nbe nbg nbi nbn nbs nbt nda ndb ndd nde ndg ndi ndn nds ndt ne- nea neb ned nee neg nei nen nes net nga ngb ngd nge ngg ngi ngn ngs ngt nia nib nid nie nig nii nin nis nit nna nnb nne nng nni nnn nns nnt nsa nsb nsd nse nsg nsi nsn nss nst nta ntb ntd nte ntg nti ntn nts ntt saa sab sad sae sag sai san sas sat sba sbb sbd sbe sbg sbi sbn sbs sbt sda sdb sdd sde sdg sdi sdn sds sdt se- sea seb sed see seg sei sen ses set sga sgb sgd sge sgg sgi sgn sgs sgt sia sib sid sie sig sii sin sis sit sna snb snd sne sng sni snn sns snt ss- ssa ssb ssd sse ssg ssi ssn sss sst sta stb std ste stg sti stn sts stt taa tab tad tae tag tai tan tas tat tba tbb tbd tbe tbg tbi tbn tbs tbt tda tdb tdd tde tdg tdi tdn tds tdt te- tea teb ted tee teg tei ten tes tet tga tgb tge tgg tgi tgn tgs tgt tia tib tid tie tig tii tin tis tit tna tnb tnd tne tng tni tnn tns tnt tsa tsb tsd tse tsg tsi tsn tss tst tta ttb ttd tte ttg tti ttn tts ttt