-er a-a aaa aad aae aap aar aas aav ad- ada add ade adp adr ads adv aea aed aee aep aer aes aev ap- apa apd ape app apr aps apv ar- ara ard are arp arr ars arv as- asa asd ase asp asr ass asv av- ava avd ave avp avr avs daa dad dae dap dar das dav dda ddd dde ddp ddr dds de- dea ded dee dep der des dev dpa dpd dpe dpp dpr dps dpv dra drd dre drp drr drs drv dsa dsd dse dsp dsr dss dsv dva dvd dve dvp dvr dvs eaa ead eae eap ear eas eav ed- eda edd ede edp edr eds eea eed eee eep eer ees eev ep- epa epd epe epp epr eps era erd ere erp err ers erv es- esa esd ese esp esr ess esv eva evd eve evp evr evs evv p-p paa pad pae pap par pas pav pda pdd pde pdp pdr pds pdv pea ped pee pep per pes pev ppa ppd ppe ppp ppr pps ppv pra prd pre prp prr prs prv ps- psa psd pse psp psr pss psv pva pvd pve pvp pvr pvs pvv ra- raa rad rae rap rar ras rav rda rdd rde rdp rdr rds rdv re- rea red ree rep rer res rev rpa rpd rpe rpp rpr rps rpv rra rrd rrp rrr rrs rsa rsd rse rsp rsr rss rsv rva rvd rve rvp rvr rvs rvv saa sad sae sap sar sas sav sda sdd sde sdp sdr sds sdv se- sea sed see sep ser ses sev spa spd spe spp spr sps spv sr- sra srd sre srp srr srs srv ss- ssa ssd sse ssp ssr sss ssv sva svd sve svp svr svs svv v-a v-e vaa vad vae vap var vas vav vdd vde vdp vdr vds vdv vea ved vee vep ver ves vpa vpd vpe vpp vpr vps vra vrd vre vrp vrr vrs vsa vsd vse vsp vsr vss vsv vva vvr vvs vvv