a-a a-b aaa aab aad aaj aak aar ab- aba abb abd abj abk abr ad- ada adb add adj adk adr aja ajb ajd ajj ajk ajr aka akb akd akj akk akr ar- ara arb ard arj ark arr baa bab bad baj bak bar bba bbb bbd bbk bbr bda bdb bdd bdj bdk bdr bja bjd bjj bjk bjr bka bkb bkk bkr bra brb brd brj brk brr daa dab dad daj dak dar dba dbb dbd dbk dbr dda ddb ddd ddk ddr dj- dja djb djd djk dka dkb dkk dkr dra drb drd drj drk drr j-d jaa jab jad jaj jak jar jba jbj jbk jbr jda jdb jdr jja jjb jjj jjk jjr jka jkb jkk jkr jra jrb jrk jrr ka- kaa kab kad kaj kak kar kba kbb kbd kbk kbr kda kdb kdk kdr kjb kjr kkb kkk kkr kra krd krk krr ra- raa rab rad raj rak rar rba rbb rbd rbk rbr rda rdb rdd rdj rdr rja rjk rjr rkb rkk rra rrb rrd rrk rrr