sllp slob slod slon sloo slop slos slpp slps slsa snab snad snap snas snba snda snla snns snoa snob snod snoo snop snos snpo snpp snsd soad soal soan soap soas soba sobo sobp sobs soda sodd sodo sods sola sold soll soln solo solp sols son- sona sond sono sons sood sool soon soop soos sopa sopd sopo sopp sops sosa soso soss sp-a spad spal span spap spas spdl spdp spla splo splp spls spns spod spon spoo spop spos sppd spps spsa spsd spso spsp spss ssaa ssab ssan ssao ssap ssas ssbn ssdd ssdp ssla sslp ssns ssop sspa sspl sspo ssps sssa sssb ssss