-th a-a a-b a-t aaa aab aae aag aah aan aas aat ab- aba abb abe abg abh abn abs abt aea aeb aee aeg aeh aen aes aet ag- aga agb age agg agh agn ags agt aha ahb ahe ahg ahh ahn ahs aht an- ana anb ane ang anh ann ans ant as- asa asb ase asg ash asn ass ast at- ata atb ate atg ath atn ats att baa bab bae bag bah ban bas bat bba bbb bbe bbg bbh bbn bbs bbt be- bea beb bee beg beh ben bes bet bga bgb bge bgg bgh bgn bgs bgt bha bhb bhe bhg bhh bhs bht bna bnb bne bng bnn bns bnt bsa bsb bse bsg bsh bsn bss bst bta btb bte btg bth btn bts btt eaa eab eae eag eah ean eas eat eba ebb ebe ebg ebh ebn ebs ebt eea eeb eee eeg een ees eet ega egb ege egg egh egn egs egt eha ehb ehe ehg ehh ehn ehs eht en- ena enb ene eng enh enn ens ent es- esa esb ese esg esh esn ess est eta etb ete etg eth etn ets ett gaa gab gae gag gah gan gas gat gba gbe gbg gbh gbn gbs gbt ge- gea geb gee geg geh gen ges get gga ggb ggg ggh ggn ggs ggt gha ghb ghe ghg ghh ghn ghs ght gna gnb gne gnn gns gnt gsa gsb gse gsg gsn gss gst gta gtb gte gtg gth gtn gts gtt haa hab hae hag hah han has hat hba hbb hbe hbg hbh hbn hbs hbt he- hea heb hee heg heh hen hes het hga hgb hge hgg hgh hgn hgs hgt hha hhb hhe hhg hhh hhn hhs hht hna hnb hne hng hnh hnn hns hnt hsa hsb hse hsg hsh hsn hss hst hta htb hte htg hth htn hts htt naa nab nae nag nah nan nas nat nba nbb nbe nbg nbn nbs nbt ne- nea neb nee neg neh nen nes net nga ngb nge ngg ngh ngn ngs ngt nha nhb nhe nhg nhh nhn nhs nht nna nnb nne nng nnh nnn nns nnt nsa nsb nse nsg nsh nsn nss nst nta ntb nte ntg nth ntn nts ntt saa sab sae sag sah san sas sat sba sbb sbe sbg sbh sbn sbs sbt se- sea seb see seg seh sen ses set sga sgb sge sgg sgh sgn sgs sgt sh- sha shb she shg shh shn shs sht sna snb sne sng snn sns snt ss- ssa ssb sse ssg ssh ssn sss sst sta stb ste stg sth stn sts stt taa tab tae tag tah tan tas tat tba tbb tbe tbg tbh tbn tbs tbt te- tea teb tee teg teh ten tes tet tga tgb tge tgg tgh tgn tgs tgt th- tha thb the thg thh thn ths tht tna tnb tne tng tnh tnn tns tnt tsa tsb tse tsg tsh tsn tss tst tta ttb tte ttg tth ttn tts ttt