-er a-a a-t aaa aad aae aag aao aar aat ad- ada add ade adg ado adr adt aea aed aee aeg aeo aer aet ag- aga agd age agg ago agr agt aoa aod aoe aog aoo aor aot ar- ara ard are arg aro arr art at- ata atd ate atg ato atr att daa dad dae dag dao dar dat dda ddd dde ddg ddo ddr ddt de- dea ded dee deg deo der det dga dgd dge dgg dgr dgt doa dod doe dog doo dor dot dra drd dre drg dro drr drt dta dtd dte dtg dto dtr dtt eaa ead eae eag eao ear eat ed- eda edd ede edg edo edr edt eea eed eee eeg eeo eer eet ega egd ege egg ego egr egt eo- eoa eod eoe eog eoo eor eot era erd ere erg ero err ert eta etd ete etg eto etr ett g-d gaa gad gae gag gao gar gat gda gdd gde gdo gdr gdt ge- gea ged gee geg geo ger get gga ggd ggg ggo ggr ggt goa god goe gog goo gor got gra grd gre grg gro grr grt gta gtd gte gtg gto gtr gtt oaa oad oae oag oao oar oat oda odd ode odg odo odr odt oea oed oee oeg oeo oer oet oga ogd oge ogg ogo ogt oo- ooa ood oog ooo oor oot or- ora ord ore org oro orr ort ot- ota otd ote otg oto otr ott ra- raa rad rae rag rao rar rat rda rdd rde rdg rdo rdr rdt re- rea red ree reg reo rer ret rga rgd rge rgg rgo rgr rgt roa rod roe rog roo ror rot rra rrd rrg rrr rrt rta rtd rte rtg rto rtr rtt taa tad tae tag tao tar tat tda tdd tde tdg tdo tdr tdt te- tea ted tee teg teo ter tet tga tge tgg tgo tgr tgt to- toa tod toe tog too tor tot tra trd tre trg tro trr trt tta ttd tte ttg tto ttr ttt