iii iim iio iip iir iis iit im- imi imm imo imp ims imt io- ioi iom ioo iop ior ios iot ipi ipm ipo ipp ipr ips ipt ir- iri irm iro irp irr irs irt is- isi ism iso isp isr iss ist iti itm ito itp its itt m-o m-r mi- mii mim mio mip mir mis mit mmi mmm mmo mmp mmr mms mmt moi mom moo mop mor mos mot mpi mpm mpo mpp mpr mps mpt mri mrm mro mrp mrr mrs mrt msi msm mso msp msr mss mst mti mtm mto mtp mtr mts mtt o-i oii oim oio oip oir ois oit om- omi omm omo omp omr oms omt oo- ooi oom ooo oop oor oos oot op- opi opm opo opp opr ops opt or- ori orm oro orp orr ors ort os- osi osm oso osp osr oss ost ot- oti otm oto otp otr ots ott p-p pii pim pio pip pir pis pit pmi pmm pmo pmp pmr pms pmt poi pom poo pop por pos pot ppi ppm ppo ppp ppr pps ppt pri prm pro prp prr prs prt ps- psi psm pso psp psr pss pst pt- pti ptm pto ptp ptr pts ptt rii rim rio rip rir ris rit rmi rmm rmo rmp rmr rms rmt roi rom roo rop ror ros rot rpi rpm rpo rpp rpr rps rpt rri rrm rrp rrr rrs rrt rsi rsm rso rsp rsr rss rst rti rtm rto rtp rtr rts rtt sii sim sio sip sir sis sit smi smm smo smp smr sms smt soi som soo sop sor sos sot spi spm spo spp spr sps spt sr- sri srm sro srp srr srs srt ss- ssi ssm sso ssp ssr sss sst sti stm sto stp str sts stt tii tim tio tip tir tis tit tmi tmm tmo tmp tmr tms tmt to- toi tom too top tor tos tot tpi tpm tpo tpp tpr tps tpt tri trm tro trp trr trs trt tsi tsm tso tsp tsr tss tst tti ttm tto ttp ttr tts ttt