rpr rps rpz rra rrd rrg rri rrl rrp rrr rrs rsa rsd rse rsg rsi rsl rso rsp rsr rss rza rze rzo saa sad sae sag sai sal sao sap sar sas saz sda sdd sde sdg sdi sdl sdo sdp sdr sds sdz se- sea sed see seg sei sel seo sep ser ses sez sga sgd sge sgg sgi sgl sgo sgp sgr sgs sia sid sie sig sii sil sio sip sir sis sla sld sle slg sli sll slo slp slr sls soa sod soe sog soi sol soo sop sor sos soz spa spd spe spg spi spl spo spp spr sps spz sr- sra srd sre srg sri srl sro srp srr srs ss- ssa ssd sse ssg ssi ssl sso ssp ssr sss ssz sza szd sze szi szl szp szr z-g zaa zad zag zai zao zap zar zas zaz zds zea zed zee zel zeo zep zer zes zez zgg zgi zgs zia zid zie zig zil zio zip zir zis ziz zla zlr zo- zoa zod zoe zog zoi zol zoo zor zos zpe zpg zpi zpl zpo zpp zpr zrl zro zrp zrs zsa zse zsg zsi zsl zsz zzr zzs zzz