a-a a-b aaa aab aad aaj aas ab- aba abb abd abj abs ad- ada adb add adj ads aja ajb ajd ajj ajs as- asa asb asd asj ass baa bab bad baj bas bba bbb bbd bbs bda bdb bdd bdj bds bja bjd bjj bjs bsa bsb bsd bsj bss daa dab dad daj das dba dbb dbd dbs dda ddb ddd dds dj- dja djb djd djs dsa dsb dsd dsj dss j-d jaa jab jad jaj jas jba jbj jbs jda jdb jds jja jjb jjj jjs jsa jsb jsd jsj jss saa sab sad saj sas sba sbb sbd sbj sbs sda sdb sdd sdj sds sja sjb sjd sjj sjs ss- ssa ssb ssd ssj sss