-er a-a a-z aaa aad aae aag aap aar aaz ad- ada add ade adg adp adr adz aea aed aee aeg aep aer aez ag- aga agd age agg agp agr agz ap- apa apd ape apg app apr ar- ara ard are arg arp arr arz az- aza azd aze azg azp azz daa dad dae dag dap dar daz dda ddd dde ddg ddp ddr ddz de- dea ded dee deg dep der dez dga dgd dge dgg dgp dgr dgz dpa dpd dpe dpg dpp dpr dpz dra drd dre drg drp drr drz dza dzd dze dzp dzr eaa ead eae eag eap ear eaz ed- eda edd ede edg edp edr eea eed eee eeg eep eer ega egd ege egg egp egr ep- epa epd epe epg epp epr epz era erd ere erg erp err erz eze ezr ezz g-d g-p gaa gad gae gag gap gar gaz gda gdd gde gdp gdr ge- gea ged gee geg gep ger gez gga ggd ggg ggp ggr ggz gpa gpd gpe gpg gpp gpr gpz gra grd gre grg grp grr gza gzp gzr p-p paa pad pae pag pap par paz pda pdd pde pdg pdp pdr pdz pea ped pee peg pep per pez pga pgd pge pgg pgp pgr ppa ppd ppe ppg ppp ppr ppz pra prd pre prg prp prr prz pzp ra- raa rad rae rag rap rar raz rda rdd rde rdg rdp rdr re- rea red ree reg rep rer rez rga rgd rge rgg rgp rgr rpa rpd rpe rpg rpp rpr rpz rra rrd rrg rrp rrr rza rze z-g zaa zad zag zap zar zaz zea zed zee zep zer zez zgg zpe zpg zpp zpr zrp zzr zzz