a-a a-c aaa aac aad aae aap aas aav ac- aca acc acd ace acp acs acv ad- ada adc add ade adp ads adv aea aec aed aee aep aes aev ap- apa apc apd ape app aps apv as- asa asc asd ase asp ass asv av- ava avc avd ave avp avs c-- caa cac cad cae cap cas cav cca ccc ccd cce ccp ccs ccv cda cdc cdd cde cdp cds cdv ce- cea cec ced cee cep ces cev cpa cpc cpd cpe cpp cps cpv csa csc csd cse csp css csv cva cvc cvd cve cvp cvs cvv daa dac dad dae dap das dav dca dcc dcd dce dcp dcs dcv dda ddc ddd dde ddp dds de- dea dec ded dee dep des dev dpa dpc dpd dpe dpp dps dpv dsa dsc dsd dse dsp dss dsv dva dvc dvd dve dvp dvs eaa eac ead eae eap eas eav ec- eca ecc ecd ece ecs ecv ed- eda edc edd ede edp eds eea eec eed eee eep ees eev ep- epa epc epd epe epp eps es- esa esc esd ese esp ess esv eva evc evd eve evp evs evv p-p paa pac pad pae pap pas pav pca pcc pcd pce pcp pcs pcv pda pdc pdd pde pdp pds pdv pea pec ped pee pep pes pev ppa ppc ppd ppe ppp pps ppv ps- psa psc psd pse psp pss psv pva pvc pvd pve pvp pvs pvv saa sac sad sae sap sas sav sca scc scd sce scp scs scv sda sdc sdd sde sdp sds sdv se- sea sec sed see sep ses sev spa spc spd spe spp sps spv ss- ssa ssc ssd sse ssp sss ssv sva svc svd sve svp svs svv v-a v-e vaa vac vad vae vap vas vav vca vcc vcd vce vcp vcs vdc vdd vde vdp vds vdv vea vec ved vee vep ves vpa vpc vpd vpe vpp vps vsa vsc vsd vse vsp vss vsv vva vvc vvs vvv