efę[11], fee[7], efo[7], fez[7], ewę[7], ezę[7], węz[7], zwę[7], ewe[3], ewo[3], owe[3], ezo[3], zew[3],
ef[6], fe[6], ee[2], eo[2], ew[2], we[2], ez[2], ze[2], oz[2],