-er -th a-a a-b a-t aaa aab aad aae aag aah aar aat aau ab- aba abb abd abe abg abh abr abt abu ad- ada adb add ade adg adh adr adt adu aea aeb aed aee aeg aeh aer aet aeu ag- aga agb agd age agg agh agr agt agu aha ahb ahd ahe ahg ahh ahr aht ahu ar- ara arb ard are arg arh arr art aru at- ata atb atd ate atg ath atr att atu au- aua aub aud aue aug auh aur aut b-u baa bab bad bae bag bah bar bat bau bba bbb bbd bbe bbg bbh bbr bbt bbu bda bdb bdd bde bdg bdh bdr bdt bdu be- bea beb bed bee beg beh ber bet beu bga bgb bgd bge bgg bgh bgr bgt bgu bha bhb bhd bhe bhg bhh bhr bht bhu bra brb brd bre brg brh brr brt bru bta btb btd bte btg bth btr btt btu bua bub bud bue bug buh bur but buu daa dab dad dae dag dah dar dat dau dba dbb dbd dbe dbg dbh dbr dbt dbu dda ddb ddd dde ddg ddh ddr ddt ddu de- dea deb ded dee deg deh der det deu dga dgd dge dgg dgh dgr dgt dgu dh- dha dhb dhd dhe dhh dhr dht dhu dra drb drd dre drg drr drt dru dta dtb dtd dte dtg dth dtr dtt dtu dua dub dud due dug duh dur dut eaa eab ead eae eag eah ear eat eau eba ebb ebd ebe ebg ebh ebr ebt ebu ed- eda edb edd ede edg edh edr edt edu eea eeb eed eee eeg eer eet ega egb egd ege egg egh egr egt egu eha ehb ehd ehe ehg ehh ehr eht ehu era erb erd ere erg erh err ert eru eta etb etd ete etg eth etr ett etu eu- eua eub eud eue eug eur eut g-d gaa gab gad gae gag gah gar gat gau gba gbd gbe gbg gbh gbr gbt gbu gda gdb gdd gde gdh gdr gdt gdu ge- gea geb ged gee geg geh ger get geu gga ggb ggd ggg ggh ggr ggt ggu gha ghb ghd ghe ghg ghh ghr ght gra grb grd gre grg grh grr grt gru gta gtb gtd gte gtg gth gtr gtt gtu gu- gua gub gud gue gug gur gut guu haa hab had hae hag hah har hat hau hba hbb hbd hbe hbg hbh hbr hbt hbu hda hdb hdd hde hdg hdh hdr hdt hdu he- hea heb hed hee heg heh her het heu hga hgb hge hgg hgh hgr hgt hgu hha hhb hhd hhe hhg hhh hhr hht hhu hr- hra hrb hrd hre hrg hrh hrr hrt hru hta htb htd hte htg hth htr htt hua hub hud hue hug huh hur hut huu ra- raa rab rad rae rag rah rar rat rau rba rbb rbd rbe rbg rbh rbr rbt rbu rda rdb rdd rde rdg rdh rdr rdt rdu re- rea reb red ree reg reh rer ret reu rga rgb rgd rge rgg rgh rgr rgt rh- rha rhb rhd rhe rhg rhh rhr rht rhu rra rrb rrd rrg rrh rrr rrt rru rta rtb rtd rte rtg rtr rtt rtu rua rub rud rue rug ruh rur rut ruu taa tab tad tae tag tah tar tat tau tba tbb tbd tbe tbg tbh tbr tbt tbu tda tdb tdd tde tdg tdh tdr tdt tdu te- tea teb ted tee teg teh ter tet teu tga tgb tge tgg tgh tgr tgt tgu th- tha thb thd the thg thh thr tht thu tra trb trd tre trg trh trr trt tru tta ttb ttd tte ttg tth ttr ttt ttu tua tub tud tue tug tuh tur tut tuu ua- uaa uab uad uae uag uah uar uat uau uba ubb ube ubg ubh ubr ubt ubu uda udb udd ude udg udr udt udu uea ueb ued uee ueg ueh uer uet uga ugb uge ugg ugh ugr ugt ugu uha uhb uhd uhe uhh uhr uht uhu ur- ura urb urd ure urg urr urt uru uta utb utd ute uth utr utt utu uua uue uug uur uut uuu