a-a aaa aaf aag aah aao aar aau aav af- afa aff afg afh afo afr afu afv ag- aga agf agg agh ago agr agu agv aha ahf ahg ahh aho ahr ahu ahv aoa aof aog aoh aoo aor aou aov ar- ara arf arg arh aro arr aru arv au- aua auf aug auh auo aur auv av- ava avf avg avh avo avr avu faa faf fag fah fao far fau fav ffa fff ffg ffh ffo ffr ffu ffv fga fgf fgg fgh fgr fgv fha fhf fhg fhh fho fhr fhv foa fof fog foh foo for fou fra frf frg frh fro frr fru fua fuf fug fuo fur fuu fuv fva fvg fvh gaa gaf gag gah gao gar gau gav gfa gff gfh gfo gfr gga ggg ggh ggo ggr ggu ggv gha ghg ghh gho ghr goa gof gog goh goo gor gou gov gra grf grg grh gro grr gru grv gu- gua guf gug guo gur guu guv gva gvf gvg gvh gvo gvr gvu haa haf hag hah hao har hau hav hfa hff hfg hfh hfo hfr hfu hfv hga hgf hgg hgh hgo hgr hgu hgv hha hhf hhg hhh hho hhr hhu hhv hoa hof hog hoh hoo hor hou hov hr- hra hrf hrg hrh hro hrr hru hrv hua huf hug huh huo hur huu huv hv- hva hvf hvg hvo hvr hvv oaa oaf oag oah oao oar oau oav of- ofa off ofg ofo ofr ofu ofv oga ogf ogg ogh ogo oha ohf ohg ohh oho ohr ohu oo- ooa oof oog ooh ooo oor oov or- ora orf org orh oro orr oru orv ou- oua ouf ouh ouo our ov- ova ovf ovh ovo ovv ra- raa raf rag rah rao rar rau rav rfa rff rfg rfh rfo rfr rfu rfv rga rgf rgg rgh rgo rgr rgv rh- rha rhf rhg rhh rho rhr rhu rhv roa rof rog roh roo ror rou rov rra rrf rrg rrh rrr rru rua ruf rug ruh ruo rur ruu ruv rva rvf rvg rvh rvo rvr rvu rvv ua- uaa uaf uag uah uao uar uau uav ufa uff ufg ufh ufo ufr ufu ufv uga ugf ugg ugh ugo ugr ugu uha uhf uhh uho uhr uhu uhv uoa uog uoo uor ur- ura urf urg uro urr uru uua uug uur uuu uva uvf uvo uvu uvv v-a vaa vag vah vao var vau vav vfa vff vfg vfr vfu vfv vga vgf vgg vgh vgo vgr vgu vh- vha vhf vho voa vof vog voh voo vor vou vov vra vrf vrg vrh vrr vru vug vur vuv vva vvg vvo vvr vvv