-al -ol a-a a-b aaa aab aaj aal aao aar aas ab- aba abb abj abl abo abr abs aja ajb ajj ajl ajo ajr ajs al- ala alb alj all alo alr als aoa aob aoj aol aoo aor aos ar- ara arb arj arl aro arr ars as- asa asb asj asl aso asr ass baa bab baj bal bao bar bas bba bbb bbl bbo bbr bbs bja bjj bjr bjs bla blb blj bll blo blr bls boa bob boj bol boo bor bos bra brb brj brl bro brr brs bsa bsb bsj bsl bso bsr bss jaa jab jaj jal jao jar jas jba jbj jbl jbo jbr jbs jja jjb jjj jjl jjr jjs jla jlb jll jlo jlr jls joa job joj jol joo jor jos jra jrb jrl jro jrr jrs jsa jsb jsj jsl jso jsr jss la- laa lab laj lal lao lar las lba lbb lbj lbl lbo lbr lbs ljj ljs lla llb llj lll llo llr lls loa lob loj lol loo lor los lra lrb lro lrr lrs lsa lsb lsj lsl lso lsr lss oaa oab oaj oal oao oar oas ob- oba obb obj obl obo obr obs oja ojb ojo ojs ola olb oll olo ols oo- ooa oob ool ooo oor oos or- ora orb orl oro orr ors os- osa osb osj osl oso osr oss ra- raa rab raj ral rao rar ras rba rbb rbl rbo rbr rbs rja rjr rla rll rlo rlr rls roa rob roj rol roo ror ros rra rrb rrl rrr rrs rsa rsb rsj rsl rso rsr rss saa sab saj sal sao sar sas sba sbb sbj sbl sbo sbr sbs sja sjb sjj sjr sjs sla slb slj sll slo slr sls soa sob soj sol soo sor sos sr- sra srb srj srl sro srr srs ss- ssa ssb ssj ssl sso ssr sss