a-a a-i aaa aai aao aar aaw ai- aia aii aio air aiw aoa aoi aoo aor aow ar- ara ari aro arr arw aw- awa awi awo awr aww ia- iaa iai iao iar iaw iia iii iio iir iiw io- ioa ioi ioo ior iow ir- ira iri iro irr iwa iwi iwo iwr iww o-i oaa oai oao oar oaw oia oii oio oir oo- ooa ooi ooo oor oow or- ora ori oro orr owa owi owo oww ra- raa rai rao rar raw ria rii rio rir roa roi roo ror row rra rri rrr rwa rwi rwr waa wai wao war waw wia wii wir woa woi woo wor wow wr- wra wri wro wrr wrw wwa wwi wwo www