-er a-a aaa aad aae aak aan aap aar aav ad- ada add ade adk adn adp adr adv aea aed aee aek aen aep aer aev aka akd ake akk akn akp akr akv an- ana and ane ank ann anp anr anv ap- apa apd ape apk apn app apr apv ar- ara ard are ark arn arp arr arv av- ava avd ave avk avn avp avr daa dad dae dak dan dap dar dav dda ddd dde ddk ddn ddp ddr de- dea ded dee dek den dep der dev dka dke dkk dkp dkr dna dnd dne dnk dnn dnp dnr dpa dpd dpe dpk dpn dpp dpr dpv dra drd dre drk drn drp drr drv dva dvd dve dvk dvn dvp dvr eaa ead eae eak ean eap ear eav ed- eda edd ede edk edn edp edr eea eed eee eek een eep eer eev eka ekd eke ekp ekr ekv en- ena end ene enk enn enp enr env ep- epa epd epe epn epp epr era erd ere erk ern erp err erv eva evd eve evn evp evr evv ka- kaa kad kae kak kan kap kar kav kda kde kdk kdp kdr ke- kea ked kee kek ken kep ker kev kke kkk kkn kkp kkr kkv kn- kna knd kne knk knn knp knr kpa kpd kpe kpk kpn kpp kpr kpv kra krd krk krn krp krr krv kva kvk kvn kvp kvr kvv naa nad nae nak nan nap nar nav nda ndd nde ndk ndn ndp ndr ndv ne- nea ned nee nek nen nep ner nev nka nke nkk nkn nkp nkr nna nne nnk nnn nnp nnv npa npd npe npn npp npr npv nra nrd nre nrk nrn nrp nrr nrv nva nvd nve nvk nvn nvp nvv p-p paa pad pae pak pan pap par pav pda pdd pde pdk pdn pdp pdr pdv pea ped pee pek pen pep per pev pka pkd pke pkn pkp pkr pn- pna pnd pne pnk pnn pnp pnr pnv ppa ppd ppe ppk ppn ppp ppr ppv pra prd pre prk prn prp prr prv pva pvd pve pvk pvn pvp pvr pvv ra- raa rad rae rak ran rap rar rav rda rdd rde rdn rdp rdr rdv re- rea red ree rek ren rep rer rev rke rkk rkp rkv rna rnd rnn rnp rnr rnv rpa rpd rpe rpk rpn rpp rpr rpv rra rrd rrk rrn rrp rrr rva rvd rve rvn rvp rvr rvv v-a v-e vaa vad vae vak van vap var vav vdd vde vdk vdp vdr vdv vea ved vee vek ven vep ver vka vkp vn- vna vnd vnp vnr vnv vpa vpd vpe vpk vpn vpp vpr vra vrd vre vrk vrn vrp vrr vva vvr vvv