e-i-e-i- e-series eeriness enessere eserines fee-fees feerness feirense ferriere fineness fineries finesses finifies finnsnes freeness freerein freeseer fressies friesens i-ii-iii iffiness inferrer inseisin insenses inserene inseries nefresie nessness ninesies referees referers referree referrer reffrein refiners refreins reifiers reiserfs rerefers rerefief reseiser reserene resinein rierreef rifeness s-series seesense sennefer sereness siennese sinensis sinnfein sissener sneerers sniffers sniffier