-er a-a aaa aae aaf aan aao aap aar aav aea aee aef aen aeo aep aer aev af- afa afe aff afn afo afp afr afv an- ana ane anf ann ano anp anr anv aoa aoe aof aon aoo aop aor aov ap- apa ape apf apn apo app apr apv ar- ara are arf arn aro arp arr arv av- ava ave avf avn avo avp avr eaa eae eaf ean eao eap ear eav eea eee eef een eeo eep eer eev ef- efa efe eff efo efp efr en- ena ene enf enn eno enp enr env eo- eoa eoe eof eon eoo eop eor ep- epa epe epf epn epo epp epr era ere erf ern ero erp err erv eva eve evf evn evo evp evr evv faa fae faf fan fao fap far fav fea fee fef fen feo fep fer fev ffa ffe fff ffn ffo ffp ffr ffv fna fne fnf fnn fnp fnr fnv foa foe fof fon foo fop for fpa fpe fpn fpo fpp fpr fpv fra fre frf frn fro frp frr fva fvp naa nae naf nan nao nap nar nav ne- nea nee nef nen neo nep ner nev nfa nfe nff nfn nfo nfp nfr nfv nna nne nnf nnn nno nnp nnv no- noa noe nof non noo nop nor nov npa npe npf npn npo npp npr npv nra nre nrf nrn nro nrp nrr nrv nva nve nvn nvp nvv oaa oae oaf oan oao oap oar oav oea oee oef oen oeo oep oer of- ofa ofe off ofn ofo ofp ofr ofv on- ona one onf onn ono onp onr oo- ooa oof oon ooo oop oor oov op- opa ope opf opn opo opp opr opv or- ora ore orf orn oro orp orr orv ov- ova ove ovf ovo ovp ovv p-p paa pae paf pan pao pap par pav pea pee pef pen peo pep per pev pfa pfe pff pfn pfo pfp pfr pfv pn- pna pne pnf pnn pno pnp pnr pnv poa poe pof pon poo pop por pov ppa ppe ppf ppn ppo ppp ppr ppv pra pre prf prn pro prp prr prv pva pve pvf pvn pvo pvp pvr pvv ra- raa rae raf ran rao rap rar rav re- rea ree ref ren reo rep rer rev rfa rfe rff rfn rfo rfp rfr rfv rna rnn rno rnp rnr rnv roa roe rof ron roo rop ror rov rpa rpe rpf rpn rpo rpp rpr rpv rra rrf rrn rrp rrr rva rve rvf rvn rvo rvp rvr rvv v-a v-e vaa vae van vao vap var vav vea vee vef ven veo vep ver vfa vff vfn vfp vfr vfv vn- vna vnf vno vnp vnr vnv voa voe vof von voo vop vor vov vpa vpe vpf vpn vpo vpp vpr vra vre vrf vrn vrp vrr vva vvo vvr vvv