echo[7], heco[7], choi[7],
che[6], ech[6], hec[6], chi[6], ich[6], hoc[6], och[6], ceł[6], cło[6], hoi[5], oho[5], łoi[5], cie[4],
eh[4], he[4], hi[4], ho[4], oh[4], eł[4], ił[4], ce[3], ci[3], co[3], eo[2],
