-er a-a a-i aaa aad aae aaf aai aao aap aar aav ad- ada add ade adf adi ado adp adr adv aea aed aee aef aei aeo aep aer aev af- afa afd afe aff afi afo afp afr afv ai- aia aid aie aif aii aio aip air aiv aoa aod aoe aof aoi aoo aop aor aov ap- apa apd ape apf api apo app apr apv ar- ara ard are arf ari aro arp arr arv av- ava avd ave avf avi avo avp avr daa dad dae daf dai dao dap dar dav dda ddd dde ddf ddi ddo ddp ddr de- dea ded dee def dei deo dep der dev dfa dfd dfe dff dfi dfo dfp dfr dfv di- dia did die dif dii dio dip dir div doa dod doe dof doi doo dop dor dov dpa dpd dpe dpf dpi dpo dpp dpr dpv dra drd dre dri dro drp drr drv dva dvd dve dvi dvp dvr eaa ead eae eaf eai eao eap ear eav ed- eda edd ede edf edi edo edp edr eea eed eee eef eeo eep eer eev ef- efa efd efe eff efi efo efp efr eia eid eie eif eii eio eip eir eiv eo- eoa eod eoe eof eoi eoo eop eor ep- epa epd epe epf epi epo epp epr era erd ere erf eri ero erp err erv eva evd eve evf evi evo evp evr evv faa fad fae faf fai fao fap far fav fda fdd fde fdf fdi fdo fdp fdr fea fed fee fef fei feo fep fer fev ffa ffd ffe fff ffi ffo ffp ffr ffv fia fid fie fif fii fip fir foa foe fof foi foo fop for fpa fpd fpe fpi fpo fpp fpr fpv fra frd fre frf fri fro frp frr fva fvd fvp i-d i-f i-v ia- iaa iad iae iaf iai iao iap iar iav ida idd ide idf idi ido idp idr idv ie- iea ied iee ief iei iep ier iev ifa ifd ife iff ifi ifo ifp ifr iia iid iie iif iii iio iip iir io- ioa iod ioe iof ioi ioo iop ior iov ipa ipd ipe ipf ipi ipo ipp ipr ipv ir- ira ird ire irf iri iro irp irr irv iva ivd ive ivf ivi ivo ivp ivr ivv o-i oaa oad oae oaf oai oao oap oar oav oda odd ode odf odi odo odp odr odv oea oed oee oef oei oeo oep oer of- ofa ofd ofe off ofi ofo ofp ofr ofv oia oid oie oif oii oio oip oir oiv oo- ooa ood oof ooi ooo oop oor oov op- opa opd ope opf opi opo opp opr opv or- ora ord ore orf ori oro orp orr orv ov- ova ovd ove ovf ovi ovo ovp ovv p-p paa pad pae paf pai pao pap par pav pda pdd pde pdf pdi pdo pdp pdr pdv pea ped pee pef pei peo pep per pev pfa pfd pfe pff pfi pfo pfp pfr pfv pia pid pie pif pii pio pip pir piv poa pod poe pof poi poo pop por pov ppa ppd ppe ppf ppi ppo ppp ppr ppv pra prd pre prf pri pro prp prr prv pva pvd pve pvf pvi pvo pvp pvr pvv ra- raa rad rae raf rai rao rap rar rav rda rdd rde rdf rdi rdo rdp rdr rdv re- rea red ree ref rei reo rep rer rev rfa rfd rfe rff rfi rfo rfp rfr rfv ria rid rie rif rii rio rip rir riv roa rod roe rof roi roo rop ror rov rpa rpd rpe rpf rpi rpo rpp rpr rpv rra rrd rrf rri rrp rrr rva rvd rve rvf rvi rvo rvp rvr rvv v-a v-e vaa vad vae vai vao vap var vav vdd vde vdf vdi vdo vdp vdr vdv vea ved vee vef vei veo vep ver vfa vfd vff vfi vfp vfr vfv vi- via vid vie vif vii vio vip vir viv voa vod voe vof voi voo vop vor vov vpa vpd vpe vpf vpi vpo vpp vpr vra vrd vre vrf vri vrp vrr vva vvi vvo vvr vvv