-er a-a a-t aaa aad aae aag aan aao aar aat ad- ada add ade adg adn ado adr adt aea aed aee aeg aen aeo aer aet ag- aga agd age agg agn ago agr agt an- ana and ane ang ann ano anr ant aoa aod aoe aog aon aoo aor aot ar- ara ard are arg arn aro arr art at- ata atd ate atg atn ato atr att daa dad dae dag dan dao dar dat dda ddd dde ddg ddn ddo ddr ddt de- dea ded dee deg den deo der det dga dgd dge dgg dgn dgr dgt dna dnd dne dng dnn dno dnr dnt doa dod doe dog don doo dor dot dra drd dre drg drn dro drr drt dta dtd dte dtg dtn dto dtr dtt eaa ead eae eag ean eao ear eat ed- eda edd ede edg edn edo edr edt eea eed eee eeg een eeo eer eet ega egd ege egg egn ego egr egt en- ena end ene eng enn eno enr ent eo- eoa eod eoe eog eon eoo eor eot era erd ere erg ern ero err ert eta etd ete etg etn eto etr ett g-d gaa gad gae gag gan gao gar gat gda gdd gde gdn gdo gdr gdt ge- gea ged gee geg gen geo ger get gga ggd ggg ggn ggo ggr ggt gna gnd gne gnn gno gnr gnt goa god goe gog gon goo gor got gra grd gre grg grn gro grr grt gta gtd gte gtg gtn gto gtr gtt naa nad nae nag nan nao nar nat nda ndd nde ndg ndn ndo ndr ndt ne- nea ned nee neg nen neo ner net nga ngd nge ngg ngn ngo ngt nna nne nng nnn nno nnt no- noa nod noe nog non noo nor not nra nrd nre nrg nrn nro nrr nrt nta ntd nte ntg ntn nto ntr ntt oaa oad oae oag oan oao oar oat oda odd ode odg odn odo odr odt oea oed oee oeg oen oeo oer oet oga ogd oge ogg ogn ogo ogt on- ona ond one ong onn ono onr ont oo- ooa ood oog oon ooo oor oot or- ora ord ore org orn oro orr ort ot- ota otd ote otg otn oto otr ott ra- raa rad rae rag ran rao rar rat rda rdd rde rdg rdn rdo rdr rdt re- rea red ree reg ren reo rer ret rga rgd rge rgg rgn rgo rgr rgt rna rnd rng rnn rno rnr rnt roa rod roe rog ron roo ror rot rra rrd rrg rrn rrr rrt rta rtd rte rtg rtn rto rtr rtt taa tad tae tag tan tao tar tat tda tdd tde tdg tdn tdo tdr tdt te- tea ted tee teg ten teo ter tet tga tge tgg tgn tgo tgr tgt tna tnd tne tng tnn tno tnr tnt to- toa tod toe tog ton too tor tot tra trd tre trg trn tro trr trt tta ttd tte ttg ttn tto ttr ttt