-er a-a a-t aaa aad aae aaf aag aao aar aat ad- ada add ade adf adg ado adr adt aea aed aee aef aeg aeo aer aet af- afa afd afe aff afg afo afr aft ag- aga agd age agf agg ago agr agt aoa aod aoe aof aog aoo aor aot ar- ara ard are arf arg aro arr art at- ata atd ate atf atg ato atr att daa dad dae daf dag dao dar dat dda ddd dde ddf ddg ddo ddr ddt de- dea ded dee def deg deo der det dfa dfd dfe dff dfg dfo dfr dft dga dgd dge dgf dgg dgr dgt doa dod doe dof dog doo dor dot dra drd dre drg dro drr drt dta dtd dte dtf dtg dto dtr dtt eaa ead eae eaf eag eao ear eat ed- eda edd ede edf edg edo edr edt eea eed eee eef eeg eeo eer eet ef- efa efd efe eff efg efo efr eft ega egd ege egf egg ego egr egt eo- eoa eod eoe eof eog eoo eor eot era erd ere erf erg ero err ert eta etd ete etf etg eto etr ett faa fad fae faf fag fao far fat fda fdd fde fdf fdg fdo fdr fdt fea fed fee fef feg feo fer fet ffa ffd ffe fff ffg ffo ffr fft fga fgd fge fgf fgg fgr fgt foa foe fof fog foo for fot fra frd fre frf frg fro frr frt fta ftd fte ftf ftg fto ftr ftt g-d gaa gad gae gaf gag gao gar gat gda gdd gde gdf gdo gdr gdt ge- gea ged gee gef geg geo ger get gfa gfd gfe gff gfo gfr gft gga ggd ggg ggo ggr ggt goa god goe gof gog goo gor got gra grd gre grf grg gro grr grt gta gtd gte gtf gtg gto gtr gtt oaa oad oae oaf oag oao oar oat oda odd ode odf odg odo odr odt oea oed oee oef oeg oeo oer oet of- ofa ofd ofe off ofg ofo ofr oft oga ogd oge ogf ogg ogo ogt oo- ooa ood oof oog ooo oor oot or- ora ord ore orf org oro orr ort ot- ota otd ote otf otg oto otr ott ra- raa rad rae raf rag rao rar rat rda rdd rde rdf rdg rdo rdr rdt re- rea red ree ref reg reo rer ret rfa rfd rfe rff rfg rfo rfr rft rga rgd rge rgf rgg rgo rgr rgt roa rod roe rof rog roo ror rot rra rrd rrf rrg rrr rrt rta rtd rte rtf rtg rto rtr rtt taa tad tae taf tag tao tar tat tda tdd tde tdf tdg tdo tdr tdt te- tea ted tee tef teg teo ter tet tfa tfd tfe tff tfg tfo tfr tft tga tge tgf tgg tgo tgr tgt to- toa tod toe tof tog too tor tot tra trd tre trf trg tro trr trt tta ttd tte ttf ttg tto ttr ttt