i-v iii iim iin iio iis im- imi imm imn imo ims imv in- ini inm inn ino ins inv io- ioi iom ion ioo ios iov is- isi ism isn iso iss isv ivi ivo ivs ivv m-o m-v mi- mii mim min mio mis miv mmi mmm mmn mmo mms mmv mni mnm mnn mno mns moi mom mon moo mos mov msi msm msn mso mss msv mvi mvm mvn mvo mvs mvv n-i nii nim nin nio nis niv nmi nmm nmn nmo nms nni nnm nnn nno nns nnv no- noi nom non noo nos nov nsi nsm nsn nso nss nsv nvi nvm nvn nvv o-i oii oim oin oio ois oiv om- omi omm omn omo oms omv on- oni onn ono ons oo- ooi oom oon ooo oos oov os- osi osm osn oso oss osv ov- ovi ovo ovs ovv sii sim sin sio sis siv smi smm smn smo sms smv sni snm snn sno sns snv soi som son soo sos sov ss- ssi ssm ssn sso sss ssv svi svm svn svo svs svv vi- vii vim vin vio vis viv vm- vmi vmm vmn vmo vn- vni vnm vno vns vnv voi vom von voo vos vov vsi vsm vsn vso vss vsv vvi vvm vvo vvs vvv