-er a-a a-t a-z aaa aad aae aag aar aat aaz ad- ada add ade adg adr adt adz aea aed aee aeg aer aet aez ag- aga agd age agg agr agt agz ar- ara ard are arg arr art arz at- ata atd ate atg atr att atz az- aza azd aze azg azt azz daa dad dae dag dar dat daz dda ddd dde ddg ddr ddt ddz de- dea ded dee deg der det dez dga dgd dge dgg dgr dgt dgz dra drd dre drg drr drt drz dta dtd dte dtg dtr dtt dtz dza dzd dze dzr eaa ead eae eag ear eat eaz ed- eda edd ede edg edr edt eea eed eee eeg eer eet ega egd ege egg egr egt era erd ere erg err ert erz eta etd ete etg etr ett etz eze ezr ezz g-d gaa gad gae gag gar gat gaz gda gdd gde gdr gdt ge- gea ged gee geg ger get gez gga ggd ggg ggr ggt ggz gra grd gre grg grr grt gta gtd gte gtg gtr gtt gza gzr ra- raa rad rae rag rar rat raz rda rdd rde rdg rdr rdt re- rea red ree reg rer ret rez rga rgd rge rgg rgr rgt rra rrd rrg rrr rrt rta rtd rte rtg rtr rtt rtz rza rze taa tad tae tag tar tat taz tda tdd tde tdg tdr tdt te- tea ted tee teg ter tet tez tga tge tgg tgr tgt tgz tra trd tre trg trr trt trz tta ttd tte ttg ttr ttt tza tzd tze z-g zaa zad zag zar zat zaz zdt zea zed zee zer zet zez zgg zta zte ztr zzr zzt zzz