iii iil iip iis iit il- ili ill ilp ils ilt ipi ipl ipp ips ipt is- isi isl isp iss ist iti itl itp its itt l-p lii lil lip lis lit lli lll llp lls llt lpi lpl lpp lps lpt lsi lsl lsp lss lst lti ltl ltp lts ltt p-p pii pil pip pis pit pli pll plp pls plt ppi ppl ppp pps ppt ps- psi psl psp pss pst pt- pti ptl ptp pts ptt sii sil sip sis sit sli sll slp sls slt spi spl spp sps spt ss- ssi ssl ssp sss sst sti stl stp sts stt tii til tip tis tit tli tll tlp tls tlt tpi tpl tpp tps tpt tsi tsl tsp tss tst tti ttl ttp tts ttt