a-a a-b a-t aaa aab aaj aar aas aat ab- aba abb abj abr abs abt aja ajb ajj ajr ajs ajt ar- ara arb arj arr ars art as- asa asb asj asr ass ast at- ata atb atr ats att baa bab baj bar bas bat bba bbb bbr bbs bbt bja bjj bjr bjs bjt bra brb brj brr brs brt bsa bsb bsj bsr bss bst bta btb btr bts btt jaa jab jaj jar jas jat jba jbj jbr jbs jbt jja jjb jjj jjr jjs jra jrb jrr jrs jrt jsa jsb jsj jsr jss jst jta jtb jtr jts jtt ra- raa rab raj rar ras rat rba rbb rbr rbs rbt rja rjr rra rrb rrr rrs rrt rsa rsb rsj rsr rss rst rta rtb rtj rtr rts rtt saa sab saj sar sas sat sba sbb sbj sbr sbs sbt sja sjb sjj sjr sjs sjt sr- sra srb srj srr srs srt ss- ssa ssb ssj ssr sss sst sta stb stj str sts stt taa tab taj tar tas tat tba tbb tbj tbr tbs tbt tjr tjs tra trb trr trs trt tsa tsb tsj tsr tss tst tta ttb ttr tts ttt