a-a a-b a-c aaa aab aac aah aaj aas ab- aba abb abc abh abj abs ac- aca acb acc ach acj acs aha ahb ahc ahh ahj ahs aja ajb ajc ajh ajj ajs as- asa asb asc ash asj ass baa bab bac bah baj bas bba bbb bbc bbh bbs bca bcb bcc bch bcj bcs bha bhb bhc bhh bhj bhs bja bjc bjj bjs bsa bsb bsc bsh bsj bss c-- c-j caa cab cac cah caj cas cba cbb cbc cbh cbj cbs cca ccb ccc cch ccj ccs ch- cha chb chc chh chs cja cjb cjc cjs csa csb csc csh csj css haa hab hac hah haj has hba hbb hbc hbh hbj hbs hca hcb hcc hch hcj hcs hha hhb hhc hhh hhj hhs hja hjs hsa hsb hsc hsh hsj hss jaa jab jac jah jaj jas jba jbc jbj jbs jca jcb jcc jch jcs jha jhc jhj jhs jja jjb jjc jjj jjs jsa jsb jsc jsh jsj jss saa sab sac sah saj sas sba sbb sbc sbh sbj sbs sca scb scc sch scj scs sh- sha shb shc shh shs sja sjb sjc sjh sjj sjs ss- ssa ssb ssc ssh ssj sss