ddd ddi ddm ddo ddr dds di- did dii dim dio dir dis div dmd dmi dmm dmo dmr dms dmv dod doi dom doo dor dos dov drd dri drm dro drr drs drv dsd dsi dsm dso dsr dss dsv dvd dvi dvm dvr dvs i-d i-v idd idi idm ido idr ids idv iid iii iim iio iir iis im- imd imi imm imo ims imv io- iod ioi iom ioo ior ios iov ir- ird iri irm iro irr irs irv is- isd isi ism iso isr iss isv ivd ivi ivo ivr ivs ivv m-o m-r m-v mdd mdi mdm mdo mdr mds mdv mi- mid mii mim mio mir mis miv mmd mmi mmm mmo mmr mms mmv mod moi mom moo mor mos mov mrd mri mrm mro mrr mrs mrv msd msi msm mso msr mss msv mvd mvi mvm mvo mvr mvs mvv o-i odd odi odm odo odr ods odv oid oii oim oio oir ois oiv om- omd omi omm omo omr oms omv oo- ood ooi oom ooo oor oos oov or- ord ori orm oro orr ors orv os- osd osi osm oso osr oss osv ov- ovd ovi ovo ovs ovv rdd rdi rdm rdo rdr rds rdv rid rii rim rio rir ris riv rmd rmi rmm rmo rmr rms rmv rod roi rom roo ror ros rov rrd rri rrm rrr rrs rsd rsi rsm rso rsr rss rsv rvd rvi rvm rvo rvr rvs rvv sdd sdi sdm sdo sdr sds sdv sid sii sim sio sir sis siv smd smi smm smo smr sms smv sod soi som soo sor sos sov sr- srd sri srm sro srr srs srv ss- ssd ssi ssm sso ssr sss ssv svd svi svm svo svr svs svv vdd vdi vdm vdo vdr vds vdv vi- vid vii vim vio vir vis viv vm- vmd vmi vmm vmo vmr vod voi vom voo vor vos vov vrd vri vrm vrr vrs vsd vsi vsm vso vsr vss vsv vvi vvm vvo vvr vvs vvv