dddd ddre dedd dede dedu deed deef deeg deer defe deff defg dege degu der- dere derf derg derr deue deur dfer dfrf dgeg dgge dred dree dref dreg drge drue drug druu dudd dude dudu duer duff dufu dugu dure durg duru duur edde ede- eder edfu edge edru edur eede eedu eeee eefe eerg ef-g egee eger egfr egge egre erde erdf ered erer erg- ergg erre erur eude euer euge eur- eure fede feed feer fefe feff fege fegg ferd fere ferr feru feud ffee ffff ffrr fred free frue frug fudd fude fuff fufu fuge fugu fur- fure furg furr gdfr gedd gede gedu geed geer gefe gege gegg gerd gere geru geue gfer ggfg gggg gree gref greg greu grrr grue gruf grug grur gude gudu guer guff guge gugg gugu gurd gure gurg gurr guru rder redd rede redr redu reed reef refd refe reff refg refr refu regd rege regr regu rerd rere rerg reru reue reuf reuu rfef rred rrrr rudd rude rued ruer rufe ruff ruge rugg rurd rure ruru ruud uder udge ufer uffe ugur uguu urde urdu ure- ured urfe urff urge urgu urre urur uuuu