iii iim iio iip iis iit im- imi imm imo imp ims imt imz io- ioi iom ioo iop ios iot ipi ipm ipo ipp ips ipt is- isi ism iso isp iss ist iti itm ito itp its itt itz izi izm izo izz m-o mi- mii mim mio mip mis mit miz mmi mmm mmo mmp mms mmt mmz moi mom moo mop mos mot moz mpi mpm mpo mpp mps mpt msi msm mso msp mss mst mti mtm mto mtp mts mtt mzi mzm mzp mzt o-i oii oim oio oip ois oit oiz om- omi omm omo omp oms omt omz oo- ooi oom ooo oop oos oot op- opi opm opo opp ops opt os- osi osm oso osp oss ost ot- oti otm oto otp ots ott otz ozm ozo ozs ozt ozz p-p pii pim pio pip pis pit piz pmi pmm pmo pmp pms pmt pmz poi pom poo pop pos pot poz ppi ppm ppo ppp pps ppt ppz ps- psi psm pso psp pss pst pt- pti ptm pto ptp pts ptt ptz pzm pzp pzt sii sim sio sip sis sit smi smm smo smp sms smt smz soi som soo sop sos sot soz spi spm spo spp sps spt spz ss- ssi ssm sso ssp sss sst ssz sti stm sto stp sts stt stz szi szp tii tim tio tip tis tit tiz tmi tmm tmo tmp tms tmt tmz to- toi tom too top tos tot toz tpi tpm tpo tpp tps tpt tpz tsi tsm tso tsp tss tst tti ttm tto ttp tts ttt tzs zim zio zip zis zit ziz zmm zmp zms zmt zo- zoi zom zoo zos zot zpi zpm zpo zpp zpt zsi zsm zst zsz ztm zzs zzt zzz