a-a a-i aaa aag aai aao aar aau aax ag- aga agg agi ago agr agu agx ai- aia aig aii aio air aiu aix aoa aog aoi aoo aor aou aox ar- ara arg ari aro arr aru arx au- aua aug aui auo aur aux ax- axa axi axo axr axx gaa gag gai gao gar gau gga ggg ggi ggo ggr ggu gia gig gii gio gir giu goa gog goi goo gor gou gox gra grg gri gro grr gru grx gu- gua gug gui guo gur guu gxa ia- iaa iag iai iao iar iau iga igg igi igo igr igu iia iii iio iir iiu iix io- ioa iog ioi ioo ior iou ir- ira irg iri iro irr iru irx iu- iua iug iui iur ixi o-i oaa oag oai oao oar oau oax oga ogg ogi ogo ogx oia oii oio oir oiu oo- ooa oog ooi ooo oor oox or- ora org ori oro orr oru orx ou- oua oui ouo our ox- oxa oxi oxo oxx ra- raa rag rai rao rar rau rax rga rgg rgi rgo rgr rgx ria rig rii rio rir rix roa rog roi roo ror rou rox rra rrg rri rrr rru rua rug rui ruo rur ruu rux rxr ua- uaa uag uai uao uar uau uga ugg ugi ugo ugr ugu ugx uia uig uii uio uir uiu uoa uog uoo uor uox ur- ura urg uri uro urr uru urx uua uug uur uuu uxo uxr uxu xaa xag xar xau xgi xia xii xio xiu xix xoa xog xoi xoo xor xox xrx xui xxi xxo xxx