a-ii aaaa aaai aaar aaii aaoo aara aari aaro ag-o agag agai agao agar agga aggi agia agig agii agio agir agog agoo agra agri agro aiai aiga aigo aiia aiir aioi aira airi airo aora arag arai arar arga argi argo aria arig arii ario aroa aroi aroo aror arr- arra arrg arri arro arrr gaar gaga gagg gagi gago gaia gaig gair gara garg gari garo garr gggg giaa giai giga gigg gigi gigo giog gioi gira girg giri giro girr goai goar goga gogi gogo goog gooi goor gora gorg gori goro gorr grai gria grig grog groi groo gror grrr i-go iaaa iaai iago iaia iara igar igga igia igoo igor igra igri iiii iiio iioi iioo iira ioii ioio iooi iooo iora iorg iori irai irao irar iri- iria irig irio irra irri oara ogai ogar oggi ogoa ogog ogoi ogra ogri ogro oigo oiii oira ooaa ooia oooo oora orai orao orar orga orgo ori- oria orig orio oro- oror orra orri orro raag raga ragg ragi rago raia raig raii rair rara rari raro riaa riai riga rigg rigi rigo riia riri roag roar roga rogg rogi rogo roia roig roio roir roog rooi roor rora rori roro rrrr