a-a a-i aaa aag aai aao aar aas aav ag- aga agg agi ago agr ags agv ai- aia aig aii aio air ais aiv aoa aog aoi aoo aor aos aov ar- ara arg ari aro arr ars arv as- asa asg asi aso asr ass asv av- ava avg avi avo avr avs gaa gag gai gao gar gas gav gga ggg ggi ggo ggr ggs ggv gia gig gii gio gir gis giv goa gog goi goo gor gos gov gra grg gri gro grr grs grv gsa gsg gsi gso gsr gss gsv gva gvg gvi gvo gvr gvs i-v ia- iaa iag iai iao iar ias iav iga igg igi igo igr igs iia iii iio iir iis io- ioa iog ioi ioo ior ios iov ir- ira irg iri iro irr irs irv is- isa isg isi iso isr iss isv iva ivg ivi ivo ivr ivs ivv o-i oaa oag oai oao oar oas oav oga ogg ogi ogo ogs oia oii oio oir ois oiv oo- ooa oog ooi ooo oor oos oov or- ora org ori oro orr ors orv os- osa osg osi oso osr oss osv ov- ova ovi ovo ovs ovv ra- raa rag rai rao rar ras rav rga rgg rgi rgo rgr rgs rgv ria rig rii rio rir ris riv roa rog roi roo ror ros rov rra rrg rri rrr rrs rsa rsg rsi rso rsr rss rsv rva rvg rvi rvo rvr rvs rvv saa sag sai sao sar sas sav sga sgg sgi sgo sgr sgs sgv sia sig sii sio sir sis siv soa sog soi soo sor sos sov sr- sra srg sri sro srr srs srv ss- ssa ssg ssi sso ssr sss ssv sva svg svi svo svr svs svv v-a vaa vag vai vao var vas vav vga vgg vgo vgr vgs vi- via vig vii vio vir vis viv voa vog voi voo vor vos vov vra vrg vri vrr vrs vsa vsg vsi vso vsr vss vsv vva vvg vvi vvo vvr vvs vvv