-ic a-a a-c a-i aaa aac aag aai aao aar aas aav ac- aca acc acg aci aco acr acs acv ag- aga agc agg agi ago agr ags agv ai- aia aic aig aii aio air ais aiv aoa aoc aog aoi aoo aor aos aov ar- ara arc arg ari aro arr ars arv as- asa asc asg asi aso asr ass asv av- ava avc avg avi avo avr avs c-- caa cac cag cai cao car cas cav cca ccc ccg cci cco ccr ccs ccv cga cgc cgg cgi cgo cgr cgs cgv ci- cia cic cig cii cio cir cis civ co- coa coc cog coi coo cor cos cov cra crc crg cri cro crr crs crv csa csc csg csi cso csr css csv cva cvc cvg cvi cvo cvr cvs cvv gaa gac gag gai gao gar gas gav gca gcc gcg gci gco gcr gcs gga ggc ggg ggi ggo ggr ggs ggv gia gic gig gii gio gir gis giv goa goc gog goi goo gor gos gov gra grc grg gri gro grr grs grv gsa gsc gsg gsi gso gsr gss gsv gva gvc gvg gvi gvo gvr gvs i-v ia- iaa iac iag iai iao iar ias iav ica icc icg ici ico icr ics icv iga igc igg igi igo igr igs iia iic iii iio iir iis io- ioa ioc iog ioi ioo ior ios iov ir- ira irc irg iri iro irr irs irv is- isa isc isg isi iso isr iss isv iva ivc ivg ivi ivo ivr ivs ivv o-i oaa oac oag oai oao oar oas oav oc- oca occ ocg oci oco ocr ocs ocv oga ogc ogg ogi ogo ogs oia oic oii oio oir ois oiv oo- ooa ooc oog ooi ooo oor oos oov or- ora orc org ori oro orr ors orv os- osa osc osg osi oso osr oss osv ov- ova ovc ovi ovo ovs ovv ra- raa rac rag rai rao rar ras rav rca rcc rcg rci rco rcr rcs rcv rga rgc rgg rgi rgo rgr rgs rgv ria ric rig rii rio rir ris riv roa roc rog roi roo ror ros rov rra rrc rrg rri rrr rrs rsa rsc rsg rsi rso rsr rss rsv rva rvc rvg rvi rvo rvr rvs rvv saa sac sag sai sao sar sas sav sca scc scg sci sco scr scs scv sga sgc sgg sgi sgo sgr sgs sgv sia sic sig sii sio sir sis siv soa soc sog soi soo sor sos sov sr- sra src srg sri sro srr srs srv ss- ssa ssc ssg ssi sso ssr sss ssv sva svc svg svi svo svr svs svv v-a vaa vac vag vai vao var vas vav vca vcc vci vco vcr vcs vga vgc vgg vgo vgr vgs vi- via vic vig vii vio vir vis viv voa voc vog voi voo vor vos vov vra vrc vrg vri vrr vrs vsa vsc vsg vsi vso vsr vss vsv vva vvc vvg vvi vvo vvr vvs vvv