i-v iii iim iio iip iis iit im- imi imm imo imp ims imt imv io- ioi iom ioo iop ios iot iov ipi ipm ipo ipp ips ipt ipv is- isi ism iso isp iss ist isv iti itm ito itp its itt itv ivi ivo ivp ivs ivt ivv m-o m-v mi- mii mim mio mip mis mit miv mmi mmm mmo mmp mms mmt mmv moi mom moo mop mos mot mov mpi mpm mpo mpp mps mpt mpv msi msm mso msp mss mst msv mti mtm mto mtp mts mtt mtv mvi mvm mvo mvp mvs mvt mvv o-i oii oim oio oip ois oit oiv om- omi omm omo omp oms omt omv oo- ooi oom ooo oop oos oot oov op- opi opm opo opp ops opt opv os- osi osm oso osp oss ost osv ot- oti otm oto otp ots ott otv ov- ovi ovo ovp ovs ovv p-p pii pim pio pip pis pit piv pmi pmm pmo pmp pms pmt pmv poi pom poo pop pos pot pov ppi ppm ppo ppp pps ppt ppv ps- psi psm pso psp pss pst psv pt- pti ptm pto ptp pts ptt ptv pvi pvm pvo pvp pvs pvt pvv sii sim sio sip sis sit siv smi smm smo smp sms smt smv soi som soo sop sos sot sov spi spm spo spp sps spt spv ss- ssi ssm sso ssp sss sst ssv sti stm sto stp sts stt stv svi svm svo svp svs svt svv tii tim tio tip tis tit tiv tmi tmm tmo tmp tms tmt tmv to- toi tom too top tos tot tov tpi tpm tpo tpp tps tpt tpv tsi tsm tso tsp tss tst tsv tti ttm tto ttp tts ttt ttv tvi tvm tvo tvp tvs tvt vi- vii vim vio vip vis vit viv vm- vmi vmm vmo vmt voi vom voo vop vos vot vov vpi vpm vpo vpp vps vpt vsi vsm vso vsp vss vst vsv vti vtm vto vts vtt vtv vvi vvm vvo vvs vvt vvv