-er -th a-a a-b a-t aaa aab aad aae aah aar aas aat aau ab- aba abb abd abe abh abr abs abt abu ad- ada adb add ade adh adr ads adt adu aea aeb aed aee aeh aer aes aet aeu aha ahb ahd ahe ahh ahr ahs aht ahu ar- ara arb ard are arh arr ars art aru as- asa asb asd ase ash asr ass ast asu at- ata atb atd ate ath atr ats att atu au- aua aub aud aue auh aur aus aut b-u baa bab bad bae bah bar bas bat bau bba bbb bbd bbe bbh bbr bbs bbt bbu bda bdb bdd bde bdh bdr bds bdt bdu be- bea beb bed bee beh ber bes bet beu bha bhb bhd bhe bhh bhr bhs bht bhu bra brb brd bre brh brr brs brt bru bsa bsb bsd bse bsh bsr bss bst bsu bta btb btd bte bth btr bts btt btu bua bub bud bue buh bur bus but buu daa dab dad dae dah dar das dat dau dba dbb dbd dbe dbh dbr dbs dbt dbu dda ddb ddd dde ddh ddr dds ddt ddu de- dea deb ded dee deh der des det deu dh- dha dhb dhd dhe dhh dhr dhs dht dhu dra drb drd dre drr drs drt dru dsa dsb dsd dse dsh dsr dss dst dsu dta dtb dtd dte dth dtr dts dtt dtu dua dub dud due duh dur dus dut eaa eab ead eae eah ear eas eat eau eba ebb ebd ebe ebh ebr ebs ebt ebu ed- eda edb edd ede edh edr eds edt edu eea eeb eed eee eer ees eet eha ehb ehd ehe ehh ehr ehs eht ehu era erb erd ere erh err ers ert eru es- esa esb esd ese esh esr ess est esu eta etb etd ete eth etr ets ett etu eu- eua eub eud eue eur eus eut haa hab had hae hah har has hat hau hba hbb hbd hbe hbh hbr hbs hbt hbu hda hdb hdd hde hdh hdr hds hdt hdu he- hea heb hed hee heh her hes het heu hha hhb hhd hhe hhh hhr hhs hht hhu hr- hra hrb hrd hre hrh hrr hrs hrt hru hsa hsb hsd hse hsh hsr hss hst hsu hta htb htd hte hth htr hts htt hua hub hud hue huh hur hus hut huu ra- raa rab rad rae rah rar ras rat rau rba rbb rbd rbe rbh rbr rbs rbt rbu rda rdb rdd rde rdh rdr rds rdt rdu re- rea reb red ree reh rer res ret reu rh- rha rhb rhd rhe rhh rhr rhs rht rhu rra rrb rrd rrh rrr rrs rrt rru rsa rsb rsd rse rsh rsr rss rst rsu rta rtb rtd rte rtr rts rtt rtu rua rub rud rue ruh rur rus rut ruu saa sab sad sae sah sar sas sat sau sba sbb sbd sbe sbh sbr sbs sbt sbu sda sdb sdd sde sdh sdr sds sdt sdu se- sea seb sed see seh ser ses set seu sh- sha shb shd she shh shr shs sht shu sr- sra srb srd sre srh srr srs srt ss- ssa ssb ssd sse ssh ssr sss sst ssu sta stb std ste sth str sts stt stu sua sub sud sue suh sur sus sut suu taa tab tad tae tah tar tas tat tau tba tbb tbd tbe tbh tbr tbs tbt tbu tda tdb tdd tde tdh tdr tds tdt tdu te- tea teb ted tee teh ter tes tet teu th- tha thb thd the thh thr ths tht thu tra trb trd tre trh trr trs trt tru tsa tsb tsd tse tsh tsr tss tst tsu tta ttb ttd tte tth ttr tts ttt ttu tua tub tud tue tuh tur tus tut tuu ua- uaa uab uad uae uah uar uas uat uau uba ubb ube ubh ubr ubs ubt ubu uda udb udd ude udr uds udt udu uea ueb ued uee ueh uer ues uet uha uhb uhd uhe uhh uhr uhs uht uhu ur- ura urb urd ure urr urs urt uru usa usb usd use ush usr uss ust usu uta utb utd ute uth utr uts utt utu uua uue uur uus uut uuu