a-do aaaa aaac aaad aaas aaca aacc aacd aaco aacs aada aadc aads aaoo aasa aasc aasd aass acaa acac acad acas acca accc accd acco accs acda acdc acds acoa acod acos acsa acsc acsd acss adaa adac adad adao adas adcc adcs adda addc addd addo adds adoc adod adoo ados adsa adso adss aoca aocs aosd aoss asaa asac asad asao asas asc- asca ascc asco asda asdo asds asoc asod asos assa assc assd asso asss c-cd caaa caac caas cac- caca cacc caco cada cadc cadd cado cads caod caos casa casc casd caso cass ccaa ccac ccad ccas ccca cccc cccs ccdc ccds ccoc ccod ccsa ccsd ccss cdaa cdac cdad cdcs cdda cdos cdss coad coas coca coco coda codd cods cood coos cosa cosc coso coss csaa csac csao csas cscc cscd csco cscs csda csos cssa cssd daad daas daca dacs dada dado dads daos dasa dasc dasd dass dcas dcca dccc dccs dcds dcos dcsc dcss dddd ddoc ddss doas doca doco docs dod- doda dodd dodo dods dood doos dosa doso doss dsac dscc dscs dsda dsoa dsos dssa dssc oasc oass ocac ocad ocas occa occc ocds ocos ocsa odac odas odda oddd odds odoo odos odso ooaa ooda oooo ooos oosa osas osca oscc osco osoo osos ossa ossd osso s-os sa-c saac saad saas saca sacc sacd saco sacs sada sadc sadd sado sads saos sasa sasc sasd saso sass scaa scac scad scas sccc sccs scda scdc scds scoo scsa scsc scsd scso sdcc sdco sddc sdds sdsc sdss soad soas soca soco socs soda sodd sodo sods sood soos sosa soso soss ssaa ssac ssao ssas ssca sscc sscs ssdc ssdd ssoc sssa sssc ssss