-ic a-a a-c a-i aaa aac aag aai aao aas aav ac- aca acc acg aci aco acs acv ag- aga agc agg agi ago ags agv ai- aia aic aig aii aio ais aiv aoa aoc aog aoi aoo aos aov as- asa asc asg asi aso ass asv av- ava avc avg avi avo avs c-- caa cac cag cai cao cas cav cca ccc ccg cci cco ccs ccv cga cgc cgg cgi cgo cgs cgv ci- cia cic cig cii cio cis civ co- coa coc cog coi coo cos cov csa csc csg csi cso css csv cva cvc cvg cvi cvo cvs cvv gaa gac gag gai gao gas gav gca gcc gcg gci gco gcs gga ggc ggg ggi ggo ggs ggv gia gic gig gii gio gis giv goa goc gog goi goo gos gov gsa gsc gsg gsi gso gss gsv gva gvc gvg gvi gvo gvs i-v ia- iaa iac iag iai iao ias iav ica icc icg ici ico ics icv iga igc igg igi igo igs iia iic iii iio iis io- ioa ioc iog ioi ioo ios iov is- isa isc isg isi iso iss isv iva ivc ivg ivi ivo ivs ivv o-i oaa oac oag oai oao oas oav oc- oca occ ocg oci oco ocs ocv oga ogc ogg ogi ogo ogs oia oic oii oio ois oiv oo- ooa ooc oog ooi ooo oos oov os- osa osc osg osi oso oss osv ov- ova ovc ovi ovo ovs ovv saa sac sag sai sao sas sav sca scc scg sci sco scs scv sga sgc sgg sgi sgo sgs sgv sia sic sig sii sio sis siv soa soc sog soi soo sos sov ss- ssa ssc ssg ssi sso sss ssv sva svc svg svi svo svs svv v-a vaa vac vag vai vao vas vav vca vcc vci vco vcs vga vgc vgg vgo vgs vi- via vic vig vii vio vis viv voa voc vog voi voo vos vov vsa vsc vsg vsi vso vss vsv vva vvc vvg vvi vvo vvs vvv