bisom[8], osiom[6],
bimo[7], biom[7], boom[7], obom[7], bims[7], oboi[6], bios[6], bosi[6], boso[6], oiom[5], miso[5], osim[5], simo[5], osom[5], somo[5],
bim[6], bom[6], mob[6], boi[5], obi[5], bis[5], moi[4], omo[4], mis[4], sim[4], osm[4], som[4], osi[3], sio[3], soi[3], oso[3],
bi[4], bo[4], im[3], mi[3], om[3], si[2], os[2],
