-er a-a a-i aaa aad aae aaf aai aan aao aar ad- ada add ade adf adi adn ado adr aea aed aee aef aei aen aeo aer af- afa afd afe aff afi afn afo afr ai- aia aid aie aif aii ain aio air an- ana and ane anf ani ann ano anr aoa aod aoe aof aoi aon aoo aor ar- ara ard are arf ari arn aro arr daa dad dae daf dai dan dao dar dda ddd dde ddf ddi ddn ddo ddr de- dea ded dee def dei den deo der dfa dfd dfe dff dfi dfn dfo dfr di- dia did die dif dii din dio dir dna dnd dne dnf dni dnn dno dnr doa dod doe dof doi don doo dor dra drd dre dri drn dro drr eaa ead eae eaf eai ean eao ear ed- eda edd ede edf edi edn edo edr eea eed eee eef een eeo eer ef- efa efd efe eff efi efo efr eia eid eie eif eii ein eio eir en- ena end ene enf eni enn eno enr eo- eoa eod eoe eof eoi eon eoo eor era erd ere erf eri ern ero err faa fad fae faf fai fan fao far fda fdd fde fdf fdi fdn fdo fdr fea fed fee fef fei fen feo fer ffa ffd ffe fff ffi ffn ffo ffr fia fid fie fif fii fin fir fna fnd fne fnf fni fnn fnr foa foe fof foi fon foo for fra frd fre frf fri frn fro frr i-d i-f ia- iaa iad iae iaf iai ian iao iar ida idd ide idf idi idn ido idr ie- iea ied iee ief iei ien ier ifa ifd ife iff ifi ifn ifo ifr iia iid iie iif iii iin iio iir in- ina ind ine inf ini inn ino inr io- ioa iod ioe iof ioi ion ioo ior ir- ira ird ire irf iri irn iro irr n-i naa nad nae naf nai nan nao nar nda ndd nde ndf ndi ndn ndo ndr ne- nea ned nee nef nei nen neo ner nfa nfd nfe nff nfi nfn nfo nfr nia nid nie nif nii nin nio nir nna nne nnf nni nnn nno no- noa nod noe nof noi non noo nor nra nrd nre nrf nri nrn nro nrr o-i oaa oad oae oaf oai oan oao oar oda odd ode odf odi odn odo odr oea oed oee oef oei oen oeo oer of- ofa ofd ofe off ofi ofn ofo ofr oia oid oie oif oii oin oio oir on- ona ond one onf oni onn ono onr oo- ooa ood oof ooi oon ooo oor or- ora ord ore orf ori orn oro orr ra- raa rad rae raf rai ran rao rar rda rdd rde rdf rdi rdn rdo rdr re- rea red ree ref rei ren reo rer rfa rfd rfe rff rfi rfn rfo rfr ria rid rie rif rii rin rio rir rna rnd rni rnn rno rnr roa rod roe rof roi ron roo ror rra rrd rrf rri rrn rrr