-er eee eeo eer eev eew eie eii eio eir eiv eo- eoe eoi eoo eor eow ere eri ero err erv erw eve evi evo evr evv evw ewe ewi ewo ewr eww i-v ie- iee iei ier iev iie iii iio iir iiw io- ioe ioi ioo ior iov iow ir- ire iri iro irr irv ive ivi ivo ivr ivv iwe iwi iwo iwr iww o-i oee oei oeo oer oie oii oio oir oiv oo- ooi ooo oor oov oow or- ore ori oro orr orv ov- ove ovi ovo ovv owe owi owo oww re- ree rei reo rer rev rew rie rii rio rir riv roe roi roo ror rov row rri rrr rve rvi rvo rvr rvv rvw rwe rwi rwr v-e vee vei veo ver vew vi- vie vii vio vir viv voe voi voo vor vov vow vre vri vrr vvi vvo vvr vvv vwo wee wei weo wer wew wie wii wir wiv woe woi woo wor wow wr- wre wri wro wrr wrw wvw wwe wwi wwo wwv www