aaaa aaac aaad aaas aaca aacc aacd aacs aacu aada aadc aads aadu aasa aasc aasd aass aasu aaus acaa acac acad acas acca accc accd accs accu acda acdc acds acsa acsc acsd acss acu- acus adaa adac adad adas adcc adcs adda addc addd adds addu adsa adss adua asaa asac asad asas asau asc- asca ascc asda asds assa assc assd asss assu asud asus auaa auca audc ausa ausd ausu c-cd caaa caac caas cac- caca cacc cada cadc cadd cads cadu casa casc casd cass casu cauc caus ccaa ccac ccad ccas ccca cccc cccs cccu ccdc ccds ccsa ccsd ccss ccuc ccus cdaa cdac cdad cdcs cdda cdss csaa csac csas cscc cscd cscs csda cssa cssd csua csus cuau cuca cucc cuda cuds cusa cusd cuss cusu daad daas daau daca dacs dada dads dadu dasa dasc dasd dass daud daus dcas dcca dccc dccs dccu dcds dcsc dcss dddd ddss dsac dscc dscs dsda dssa dssc duaa duad duas duca ducs duda dudd duds dudu dusa sa-c saac saad saas saca sacc sacd sacs sacu sada sadc sadd sads sadu sasa sasc sasd sass saua sauc saud saus scaa scac scad scas sccc sccs scda scdc scds scsa scsc scsd scsu scua scud sdau sdcc sddc sdds sdsc sdss sdsu ssaa ssac ssas ssau ssca sscc sscs ssdc ssdd sssa sssc ssss suas suc- succ sucs suda sudd suds sus- susa susd suss susu suus uaca uasa uasd uaua ucad ucas ucca ucdc ucdd ucsa ucsc ucsd ucsu ucua udaa udad udas udau udca udds udsd us-a usaa usac usad usas usca uscc uscs usda usdc usds ussa ussc usss ussu usua usus uuuu