-er -th a-a a-b a-t aaa aab aae aag aah aan aar aas aat ab- aba abb abe abg abh abn abr abs abt aea aeb aee aeg aeh aen aer aes aet ag- aga agb age agg agh agn agr ags agt aha ahb ahe ahg ahh ahn ahr ahs aht an- ana anb ane ang anh ann anr ans ant ar- ara arb are arg arh arn arr ars art as- asa asb ase asg ash asn asr ass ast at- ata atb ate atg ath atn atr ats att baa bab bae bag bah ban bar bas bat bba bbb bbe bbg bbh bbn bbr bbs bbt be- bea beb bee beg beh ben ber bes bet bga bgb bge bgg bgh bgn bgr bgs bgt bha bhb bhe bhg bhh bhr bhs bht bna bnb bne bng bnn bnr bns bnt bra brb bre brg brh brn brr brs brt bsa bsb bse bsg bsh bsn bsr bss bst bta btb bte btg bth btn btr bts btt eaa eab eae eag eah ean ear eas eat eba ebb ebe ebg ebh ebn ebr ebs ebt eea eeb eee eeg een eer ees eet ega egb ege egg egh egn egr egs egt eha ehb ehe ehg ehh ehn ehr ehs eht en- ena enb ene eng enh enn enr ens ent era erb ere erg erh ern err ers ert es- esa esb ese esg esh esn esr ess est eta etb ete etg eth etn etr ets ett gaa gab gae gag gah gan gar gas gat gba gbe gbg gbh gbn gbr gbs gbt ge- gea geb gee geg geh gen ger ges get gga ggb ggg ggh ggn ggr ggs ggt gha ghb ghe ghg ghh ghn ghr ghs ght gna gnb gne gnn gnr gns gnt gra grb gre grg grh grn grr grs grt gsa gsb gse gsg gsn gsr gss gst gta gtb gte gtg gth gtn gtr gts gtt haa hab hae hag hah han har has hat hba hbb hbe hbg hbh hbn hbr hbs hbt he- hea heb hee heg heh hen her hes het hga hgb hge hgg hgh hgn hgr hgs hgt hha hhb hhe hhg hhh hhn hhr hhs hht hna hnb hne hng hnh hnn hns hnt hr- hra hrb hre hrg hrh hrn hrr hrs hrt hsa hsb hse hsg hsh hsn hsr hss hst hta htb hte htg hth htn htr hts htt naa nab nae nag nah nan nar nas nat nba nbb nbe nbg nbn nbr nbs nbt ne- nea neb nee neg neh nen ner nes net nga ngb nge ngg ngh ngn ngs ngt nha nhb nhe nhg nhh nhn nhr nhs nht nna nnb nne nng nnh nnn nns nnt nra nrb nre nrg nrn nrr nrs nrt nsa nsb nse nsg nsh nsn nsr nss nst nta ntb nte ntg nth ntn ntr nts ntt ra- raa rab rae rag rah ran rar ras rat rba rbb rbe rbg rbh rbn rbr rbs rbt re- rea reb ree reg reh ren rer res ret rga rgb rge rgg rgh rgn rgr rgs rgt rh- rha rhb rhe rhg rhh rhn rhr rhs rht rna rnb rng rnh rnn rnr rns rnt rra rrb rrg rrh rrn rrr rrs rrt rsa rsb rse rsg rsh rsn rsr rss rst rta rtb rte rtg rtn rtr rts rtt saa sab sae sag sah san sar sas sat sba sbb sbe sbg sbh sbn sbr sbs sbt se- sea seb see seg seh sen ser ses set sga sgb sge sgg sgh sgn sgr sgs sgt sh- sha shb she shg shh shn shr shs sht sna snb sne sng snn snr sns snt sr- sra srb sre srg srh srn srr srs srt ss- ssa ssb sse ssg ssh ssn ssr sss sst sta stb ste stg sth stn str sts stt taa tab tae tag tah tan tar tas tat tba tbb tbe tbg tbh tbn tbr tbs tbt te- tea teb tee teg teh ten ter tes tet tga tgb tge tgg tgh tgn tgr tgs tgt th- tha thb the thg thh thn thr ths tht tna tnb tne tng tnh tnn tnr tns tnt tra trb tre trg trh trn trr trs trt tsa tsb tse tsg tsh tsn tsr tss tst tta ttb tte ttg tth ttn ttr tts ttt