a-a a-i a-t aaa aai aao aar aat ai- aia aii aio air ait aoa aoi aoo aor aot ar- ara ari aro arr art at- ata ati ato atr att ia- iaa iai iao iar iat iia iii iio iir iit io- ioa ioi ioo ior iot ir- ira iri iro irr irt ita iti ito itt o-i oaa oai oao oar oat oia oii oio oir oit oo- ooa ooi ooo oor oot or- ora ori oro orr ort ot- ota oti oto otr ott ra- raa rai rao rar rat ria rii rio rir rit roa roi roo ror rot rra rri rrr rrt rta rti rto rtr rtt taa tai tao tar tat tia tii tio tir tit to- toa toi too tor tot tra tri tro trr trt tta tti tto ttr ttt