-er -th a-a a-b a-t aaa aab aae aag aah aar aas aat aau ab- aba abb abe abg abh abr abs abt abu aea aeb aee aeg aeh aer aes aet aeu ag- aga agb age agg agh agr ags agt agu aha ahb ahe ahg ahh ahr ahs aht ahu ar- ara arb are arg arh arr ars art aru as- asa asb ase asg ash asr ass ast asu at- ata atb ate atg ath atr ats att atu au- aua aub aue aug auh aur aus aut b-u baa bab bae bag bah bar bas bat bau bba bbb bbe bbg bbh bbr bbs bbt bbu be- bea beb bee beg beh ber bes bet beu bga bgb bge bgg bgh bgr bgs bgt bgu bha bhb bhe bhg bhh bhr bhs bht bhu bra brb bre brg brh brr brs brt bru bsa bsb bse bsg bsh bsr bss bst bsu bta btb bte btg bth btr bts btt btu bua bub bue bug buh bur bus but buu eaa eab eae eag eah ear eas eat eau eba ebb ebe ebg ebh ebr ebs ebt ebu eea eeb eee eeg eer ees eet ega egb ege egg egh egr egs egt egu eha ehb ehe ehg ehh ehr ehs eht ehu era erb ere erg erh err ers ert eru es- esa esb ese esg esh esr ess est esu eta etb ete etg eth etr ets ett etu eu- eua eub eue eug eur eus eut gaa gab gae gag gah gar gas gat gau gba gbe gbg gbh gbr gbs gbt gbu ge- gea geb gee geg geh ger ges get geu gga ggb ggg ggh ggr ggs ggt ggu gha ghb ghe ghg ghh ghr ghs ght gra grb gre grg grh grr grs grt gru gsa gsb gse gsg gsr gss gst gsu gta gtb gte gtg gth gtr gts gtt gtu gu- gua gub gue gug gur gus gut guu haa hab hae hag hah har has hat hau hba hbb hbe hbg hbh hbr hbs hbt hbu he- hea heb hee heg heh her hes het heu hga hgb hge hgg hgh hgr hgs hgt hgu hha hhb hhe hhg hhh hhr hhs hht hhu hr- hra hrb hre hrg hrh hrr hrs hrt hru hsa hsb hse hsg hsh hsr hss hst hsu hta htb hte htg hth htr hts htt hua hub hue hug huh hur hus hut huu ra- raa rab rae rag rah rar ras rat rau rba rbb rbe rbg rbh rbr rbs rbt rbu re- rea reb ree reg reh rer res ret reu rga rgb rge rgg rgh rgr rgs rgt rh- rha rhb rhe rhg rhh rhr rhs rht rhu rra rrb rrg rrh rrr rrs rrt rru rsa rsb rse rsg rsh rsr rss rst rsu rta rtb rte rtg rtr rts rtt rtu rua rub rue rug ruh rur rus rut ruu saa sab sae sag sah sar sas sat sau sba sbb sbe sbg sbh sbr sbs sbt sbu se- sea seb see seg seh ser ses set seu sga sgb sge sgg sgh sgr sgs sgt sgu sh- sha shb she shg shh shr shs sht shu sr- sra srb sre srg srh srr srs srt ss- ssa ssb sse ssg ssh ssr sss sst ssu sta stb ste stg sth str sts stt stu sua sub sue sug suh sur sus sut suu taa tab tae tag tah tar tas tat tau tba tbb tbe tbg tbh tbr tbs tbt tbu te- tea teb tee teg teh ter tes tet teu tga tgb tge tgg tgh tgr tgs tgt tgu th- tha thb the thg thh thr ths tht thu tra trb tre trg trh trr trs trt tru tsa tsb tse tsg tsh tsr tss tst tsu tta ttb tte ttg tth ttr tts ttt ttu tua tub tue tug tuh tur tus tut tuu ua- uaa uab uae uag uah uar uas uat uau uba ubb ube ubg ubh ubr ubs ubt ubu uea ueb uee ueg ueh uer ues uet uga ugb uge ugg ugh ugr ugs ugt ugu uha uhb uhe uhh uhr uhs uht uhu ur- ura urb ure urg urr urs urt uru usa usb use usg ush usr uss ust usu uta utb ute uth utr uts utt utu uua uue uug uur uus uut uuu