ncna ncnc ncnd ncsa ncsc ncsl ncss ndaa ndak ndas ndcc ndcs nddb ndls ndna ndsl ndss nlab nlcc nlcs nlls nlsc nndb nnls nnnn nnsa nnsl nnss nsaa nsac nsca nscc nscd nscl nscs nsdl nsds nskk nsla nsls nsna nssa nssb nssc nsss sa-c saab saac saad saak saal saan saas saba sabb sabc sabs saca sacc sacd sack sacn sacs sada sadb sadc sadd sadl sads saka sakb sakk saks sala salc sald salk sall sals sana sand sank sann sans sasa sasc sasd sask sasl sass sbaa sbac sbas sbbs sbca sbcc sbcs sbds sbsa sbsd scaa scab scac scad scak scal scan scas scba sccc sccl sccs scda scdc scds sck- sckl scl- sclc sclk scls scna scnd scsa scsc scsd scsl scsn sdak sdba sdcc sddc sdds sdla sdlc sdls sdna sdsc sdsl sdss skab skac skad skal skan skn- sksd skss slaa slab slac slad slak slan slas slcc slcd slds slln slsa slsc snab snad snak snas snba snca sncc snda snla snns snsd ssaa ssab ssac ssan ssas ssbn ssca sscc sscs ssdc ssdd ssla sslc ssns sssa sssb sssc ssss