-er a-a a-c aaa aac aad aae aaf aan aao aar aau ac- aca acc acd ace acf acn aco acr acu ad- ada adc add ade adf adn ado adr adu aea aec aed aee aef aen aeo aer aeu af- afa afc afd afe aff afn afo afr afu an- ana anc and ane anf ann ano anr anu aoa aoc aod aoe aof aon aoo aor aou ar- ara arc ard are arf arn aro arr aru au- aua auc aud aue auf aun auo aur c-- caa cac cad cae caf can cao car cau cca ccc ccd cce ccf ccn cco ccr ccu cda cdc cdd cde cdf cdn cdo cdr cdu ce- cea cec ced cee cef cen ceo cer ceu cfa cfc cfd cfe cff cfn cfo cfr cfu cn- cna cnc cnd cne cnf cnn cno cnr cnu co- coa coc cod coe cof con coo cor cou cra crc crd cre crf crn cro crr cru cua cuc cud cue cuf cun cuo cur cuu daa dac dad dae daf dan dao dar dau dca dcc dcd dce dcf dcn dco dcr dcu dda ddc ddd dde ddf ddn ddo ddr ddu de- dea dec ded dee def den deo der deu dfa dfc dfd dfe dff dfn dfo dfr dfu dna dnc dnd dne dnf dnn dno dnr doa doc dod doe dof don doo dor dou dra drc drd dre drn dro drr dru dua duc dud due duf dun duo dur eaa eac ead eae eaf ean eao ear eau ec- eca ecc ecd ece ecf ecn eco ecr ecu ed- eda edc edd ede edf edn edo edr edu eea eec eed eee eef een eeo eer ef- efa efc efd efe eff efo efr en- ena enc end ene enf enn eno enr enu eo- eoa eoc eod eoe eof eon eoo eor eou era erc erd ere erf ern ero err eru eu- eua euc eud eue euf eun eur faa fac fad fae faf fan fao far fau fca fcc fcd fce fcf fcn fco fcr fcu fda fdc fdd fde fdf fdn fdo fdr fdu fea fec fed fee fef fen feo fer feu ffa ffc ffd ffe fff ffn ffo ffr ffu fna fnc fnd fne fnf fnn fnr fnu foa foc foe fof fon foo for fou fra frc frd fre frf frn fro frr fru fua fud fue fuf fun fuo fur fuu naa nac nad nae naf nan nao nar nau nca ncc ncd nce ncf ncn nco ncr ncu nda ndc ndd nde ndf ndn ndo ndr ndu ne- nea nec ned nee nef nen neo ner neu nfa nfc nfd nfe nff nfn nfo nfr nfu nna nnc nne nnf nnn nno nnu no- noa noc nod noe nof non noo nor nou nra nrc nrd nre nrf nrn nro nrr nru nua nuc nud nue nun nuo nur nuu oaa oac oad oae oaf oan oao oar oau oc- oca occ ocd ocf ocn oco ocr ocu oda odc odd ode odf odn odo odr odu oea oec oed oee oef oen oeo oer of- ofa ofc ofd ofe off ofn ofo ofr ofu on- ona onc ond one onf onn ono onr onu oo- ooa ooc ood oof oon ooo oor or- ora orc ord ore orf orn oro orr oru ou- oua ouc oud oue ouf oun ouo our ra- raa rac rad rae raf ran rao rar rau rca rcc rcd rce rcf rcn rco rcr rcu rda rdc rdd rde rdf rdn rdo rdr rdu re- rea rec red ree ref ren reo rer reu rfa rfc rfd rfe rff rfn rfo rfr rfu rna rnc rnd rnn rno rnr rnu roa roc rod roe rof ron roo ror rou rra rrc rrd rrf rrn rrr rru rua ruc rud rue ruf run ruo rur ruu ua- uaa uac uad uae uaf uan uao uar uau uca ucc ucd uce ucf ucn uco ucr ucu uda udc udd ude udf udn udo udr udu uea uec ued uee uef uen uer ufa ufc ufd ufe uff ufn ufo ufr ufu un- una unc und une unf unn uno unr unu uoa uoc uod uoe uon uoo uor ur- ura urc urd ure urf urn uro urr uru uua uuc uue uun uur uuu