-ol l-p lll llo llp llr lls lol loo lop lor los lpl lpo lpp lpr lps lro lrp lrr lrs lsl lso lsp lsr lss oll olo olp ols oo- ool ooo oop oor oos op- opl opo opp opr ops or- orl oro orp orr ors os- osl oso osp osr oss p-p pll plo plp plr pls pol poo pop por pos ppl ppo ppp ppr pps prl pro prp prr prs ps- psl pso psp psr pss rll rlo rlp rlr rls rol roo rop ror ros rpl rpo rpp rpr rps rrl rrp rrr rrs rsl rso rsp rsr rss sll slo slp slr sls sol soo sop sor sos spl spo spp spr sps sr- srl sro srp srr srs ss- ssl sso ssp ssr sss