sbi sbl sbn sbo sbp sbr sbs se- seb see seg sei sel sen seo sep ser ses sez sgb sge sgg sgi sgl sgn sgo sgp sgr sgs sib sie sig sii sil sin sio sip sir sis slb sle slg sli sll sln slo slp slr sls snb sne sng sni snl snn sno snp snr sns sob soe sog soi sol son soo sop sor sos soz spb spe spg spi spl spn spo spp spr sps spz sr- srb sre srg sri srl srn sro srp srr srs ss- ssb sse ssg ssi ssl ssn sso ssp ssr sss ssz sze szi szl szp szr z-g zbb zbl zbr zbs zeb zee zel zen zeo zep zer zes zez zgb zgg zgi zgs zib zie zig zil zin zio zip zir zis ziz zlr zne znn zno znp zns zo- zob zoe zog zoi zol zon zoo zor zos zpe zpg zpi zpl zpo zpp zpr zrl zro zrp zrs zse zsg zsi zsl zsz zzr zzs zzz