-al -ol a-a aaa aal aao aar aas al- ala all alo alr als aoa aol aoo aor aos ar- ara arl aro arr ars as- asa asl aso asr ass la- laa lal lao lar las lla lll llo llr lls loa lol loo lor los lra lro lrr lrs lsa lsl lso lsr lss oaa oal oao oar oas ola oll olo ols oo- ooa ool ooo oor oos or- ora orl oro orr ors os- osa osl oso osr oss ra- raa ral rao rar ras rla rll rlo rlr rls roa rol roo ror ros rra rrl rrr rrs rsa rsl rso rsr rss saa sal sao sar sas sla sll slo slr sls soa sol soo sor sos sr- sra srl sro srr srs ss- ssa ssl sso ssr sss