-al -ol a-a aaa aal aao aap aar aas al- ala all alo alp alr als aoa aol aoo aop aor aos ap- apa apl apo app apr aps ar- ara arl aro arp arr ars as- asa asl aso asp asr ass l-p la- laa lal lao lap lar las lla lll llo llp llr lls loa lol loo lop lor los lpa lpl lpo lpp lpr lps lra lro lrp lrr lrs lsa lsl lso lsp lsr lss oaa oal oao oap oar oas ola oll olo olp ols oo- ooa ool ooo oop oor oos op- opa opl opo opp opr ops or- ora orl oro orp orr ors os- osa osl oso osp osr oss p-p paa pal pao pap par pas pla pll plo plp plr pls poa pol poo pop por pos ppa ppl ppo ppp ppr pps pra prl pro prp prr prs ps- psa psl pso psp psr pss ra- raa ral rao rap rar ras rla rll rlo rlp rlr rls roa rol roo rop ror ros rpa rpl rpo rpp rpr rps rra rrl rrp rrr rrs rsa rsl rso rsp rsr rss saa sal sao sap sar sas sla sll slo slp slr sls soa sol soo sop sor sos spa spl spo spp spr sps sr- sra srl sro srp srr srs ss- ssa ssl sso ssp ssr sss