iii iim iio iip iir iis iit iix im- imi imm imo imp ims imt imx io- ioi iom ioo iop ior ios iot ipi ipm ipo ipp ipr ips ipt ipx ir- iri irm iro irp irr irs irt irx is- isi ism iso isp isr iss ist iti itm ito itp its itt itx ixi m-o m-r mi- mii mim mio mip mir mis mit mix mmi mmm mmo mmp mmr mms mmt mmx moi mom moo mop mor mos mot mox mpi mpm mpo mpp mpr mps mpt mpx mri mrm mro mrp mrr mrs mrt mrx msi msm mso msp msr mss mst msx mti mtm mto mtp mtr mts mtt mtx mxi mxp mxr mxs o-i oii oim oio oip oir ois oit om- omi omm omo omp omr oms omt omx oo- ooi oom ooo oop oor oos oot oox op- opi opm opo opp opr ops opt opx or- ori orm oro orp orr ors ort orx os- osi osm oso osp osr oss ost osx ot- oti otm oto otp otr ots ott ox- oxi oxo oxt oxx p-p pii pim pio pip pir pis pit pix pmi pmm pmo pmp pmr pms pmt pmx poi pom poo pop por pos pot pox ppi ppm ppo ppp ppr pps ppt ppx pri prm pro prp prr prs prt prx ps- psi psm pso psp psr pss pst psx pt- pti ptm pto ptp ptr pts ptt ptx pxm pxr pxs pxt rii rim rio rip rir ris rit rix rmi rmm rmo rmp rmr rms rmt rmx roi rom roo rop ror ros rot rox rpi rpm rpo rpp rpr rps rpt rpx rri rrm rrp rrr rrs rrt rsi rsm rso rsp rsr rss rst rsx rti rtm rto rtp rtr rts rtt rtx rxp rxr rxs sii sim sio sip sir sis sit six smi smm smo smp smr sms smt smx soi som soo sop sor sos sot sox spi spm spo spp spr sps spt spx sr- sri srm sro srp srr srs srt srx ss- ssi ssm sso ssp ssr sss sst ssx sti stm sto stp str sts stt stx sxi sxm sxs sxt t-x tii tim tio tip tir tis tit tix tmi tmm tmo tmp tmr tms tmt tmx to- toi tom too top tor tos tot tox tpi tpm tpo tpp tpr tps tpt tpx tri trm tro trp trr trs trt trx tsi tsm tso tsp tsr tss tst tsx tti ttm tto ttp ttr tts ttt ttx txi txs txt xii xio xis xit xix xmi xmm xmo xmp xmr xms xmt xmx xoi xom xoo xop xor xos xot xox xpm xpo xpp xps xpt xrt xrx xsi xsm xsp xss xst xti xtm xtp xtr xts xtx xxi xxo xxp xxx