-vac aaaa aaac aaad aaas aaav aaca aacc aacd aacs aacv aada aadc aads aasa aasc aasd aass aava acaa acac acad acas acca accc accd accs acda acdc acds acsa acsc acsd acss acvs acvv adaa adac adad adas adcc adcs adda addc addd adds adsa adss advs asaa asac asad asas asc- asca ascc asda asds assa assc assd asss asva asvd asvs avas avcc avda avva c-cd caaa caac caas cac- caca cacc cada cadc cadd cads casa casc casd cass cava cavs ccaa ccac ccad ccas ccca cccc cccs cccv ccdc ccds ccsa ccsd ccss ccvs cdaa cdac cdad cdcs cdda cdss cdvd csaa csac csas csav cscc cscd cscs csda cssa cssd cvac cvas cvca cvcc cvsd cvss daad daas daca dacs dada dads dasa dasc dasd dass dava dcas dcca dccc dccs dccv dcds dcsc dcss dcvd dddd ddss dsac dscc dscs dsda dssa dssc dsvd dvas dvcs dvda dvds sa-c saac saad saas saca sacc sacd sacs sada sadc sadd sads sasa sasc sasd sass sava savs scaa scac scad scas sccc sccs scda scdc scds scsa scsc scsd sdcc sdcv sddc sdds sdsc sdss ssaa ssac ssas ssca sscc sscs ssdc ssdd sssa sssc ssss svcc svcs svsc vaad vaas vaca vacs vada vads vas- vasa vass vava vavs vcds vdcc vssc vvvv