iii iim iin iio iip iis iit im- imi imm imn imo imp ims imt in- ini inm inn ino inp ins int io- ioi iom ion ioo iop ios iot ipi ipm ipn ipo ipp ips ipt is- isi ism isn iso isp iss ist iti itm itn ito itp its itt m-o mi- mii mim min mio mip mis mit mmi mmm mmn mmo mmp mms mmt mni mnm mnn mno mnp mns mnt moi mom mon moo mop mos mot mpi mpm mpn mpo mpp mps mpt msi msm msn mso msp mss mst mti mtm mtn mto mtp mts mtt n-i nii nim nin nio nip nis nit nmi nmm nmn nmo nmp nms nmt nni nnm nnn nno nnp nns nnt no- noi nom non noo nop nos not npi npm npn npo npp nps npt nsi nsm nsn nso nsp nss nst nti ntm ntn nto ntp nts ntt o-i oii oim oin oio oip ois oit om- omi omm omn omo omp oms omt on- oni onn ono onp ons ont oo- ooi oom oon ooo oop oos oot op- opi opm opn opo opp ops opt os- osi osm osn oso osp oss ost ot- oti otm otn oto otp ots ott p-p pii pim pin pio pip pis pit pmi pmm pmn pmo pmp pms pmt pn- pni pnm pnn pno pnp pns pnt poi pom pon poo pop pos pot ppi ppm ppn ppo ppp pps ppt ps- psi psm psn pso psp pss pst pt- pti ptm ptn pto ptp pts ptt sii sim sin sio sip sis sit smi smm smn smo smp sms smt sni snm snn sno snp sns snt soi som son soo sop sos sot spi spm spn spo spp sps spt ss- ssi ssm ssn sso ssp sss sst sti stm stn sto stp sts stt tii tim tin tio tip tis tit tmi tmm tmn tmo tmp tms tmt tni tnm tnn tno tnp tns tnt to- toi tom ton too top tos tot tpi tpm tpn tpo tpp tps tpt tsi tsm tsn tso tsp tss tst tti ttm ttn tto ttp tts ttt