-er a-a a-t aaa aae aag aao aar aat aau aea aee aeg aeo aer aet aeu ag- aga age agg ago agr agt agu aoa aoe aog aoo aor aot aou ar- ara are arg aro arr art aru at- ata ate atg ato atr att atu au- aua aue aug auo aur aut eaa eae eag eao ear eat eau eea eee eeg eeo eer eet ega ege egg ego egr egt egu eo- eoa eoe eog eoo eor eot eou era ere erg ero err ert eru eta ete etg eto etr ett etu eu- eua eue eug eur eut gaa gae gag gao gar gat gau ge- gea gee geg geo ger get geu gga ggg ggo ggr ggt ggu goa goe gog goo gor got gou gra gre grg gro grr grt gru gta gte gtg gto gtr gtt gtu gu- gua gue gug guo gur gut guu oaa oae oag oao oar oat oau oea oee oeg oeo oer oet oga oge ogg ogo ogt oo- ooa oog ooo oor oot or- ora ore org oro orr ort oru ot- ota ote otg oto otr ott otu ou- oua oue ouo our out ra- raa rae rag rao rar rat rau re- rea ree reg reo rer ret reu rga rge rgg rgo rgr rgt roa roe rog roo ror rot rou rra rrg rrr rrt rru rta rte rtg rto rtr rtt rtu rua rue rug ruo rur rut ruu taa tae tag tao tar tat tau te- tea tee teg teo ter tet teu tga tge tgg tgo tgr tgt tgu to- toa toe tog too tor tot tou tra tre trg tro trr trt tru tta tte ttg tto ttr ttt ttu tua tue tug tuo tur tut tuu ua- uaa uae uag uao uar uat uau uea uee ueg uer uet uga uge ugg ugo ugr ugt ugu uoa uoe uog uoo uor uot ur- ura ure urg uro urr urt uru uta ute uto utr utt utu uua uue uug uur uut uuu