-er a-a a-c a-t aaa aac aad aae aan aao aar aat aau ac- aca acc acd ace acn aco acr act acu ad- ada adc add ade adn ado adr adt adu aea aec aed aee aen aeo aer aet aeu an- ana anc and ane ann ano anr ant anu aoa aoc aod aoe aon aoo aor aot aou ar- ara arc ard are arn aro arr art aru at- ata atc atd ate atn ato atr att atu au- aua auc aud aue aun auo aur aut c-- caa cac cad cae can cao car cat cau cca ccc ccd cce ccn cco ccr cct ccu cda cdc cdd cde cdn cdo cdr cdt cdu ce- cea cec ced cee cen ceo cer cet ceu cn- cna cnc cnd cne cnn cno cnr cnt cnu co- coa coc cod coe con coo cor cot cou cra crc crd cre crn cro crr crt cru cta ctc ctd cte ctn cto ctr ctt ctu cua cuc cud cue cun cuo cur cut cuu daa dac dad dae dan dao dar dat dau dca dcc dcd dce dcn dco dcr dct dcu dda ddc ddd dde ddn ddo ddr ddt ddu de- dea dec ded dee den deo der det deu dna dnc dnd dne dnn dno dnr dnt doa doc dod doe don doo dor dot dou dra drc drd dre drn dro drr drt dru dta dtc dtd dte dtn dto dtr dtt dtu dua duc dud due dun duo dur dut eaa eac ead eae ean eao ear eat eau ec- eca ecc ecd ece ecn eco ecr ect ecu ed- eda edc edd ede edn edo edr edt edu eea eec eed eee een eeo eer eet en- ena enc end ene enn eno enr ent enu eo- eoa eoc eod eoe eon eoo eor eot eou era erc erd ere ern ero err ert eru eta etc etd ete etn eto etr ett etu eu- eua euc eud eue eun eur eut naa nac nad nae nan nao nar nat nau nca ncc ncd nce ncn nco ncr nct ncu nda ndc ndd nde ndn ndo ndr ndt ndu ne- nea nec ned nee nen neo ner net neu nna nnc nne nnn nno nnt nnu no- noa noc nod noe non noo nor not nou nra nrc nrd nre nrn nro nrr nrt nru nta ntc ntd nte ntn nto ntr ntt ntu nua nuc nud nue nun nuo nur nut nuu oaa oac oad oae oan oao oar oat oau oc- oca occ ocd ocn oco ocr oct ocu oda odc odd ode odn odo odr odt odu oea oec oed oee oen oeo oer oet on- ona onc ond one onn ono onr ont onu oo- ooa ooc ood oon ooo oor oot or- ora orc ord ore orn oro orr ort oru ot- ota otc otd ote otn oto otr ott otu ou- oua ouc oud oue oun ouo our out ra- raa rac rad rae ran rao rar rat rau rca rcc rcd rce rcn rco rcr rct rcu rda rdc rdd rde rdn rdo rdr rdt rdu re- rea rec red ree ren reo rer ret reu rna rnc rnd rnn rno rnr rnt rnu roa roc rod roe ron roo ror rot rou rra rrc rrd rrn rrr rrt rru rta rtc rtd rte rtn rto rtr rtt rtu rua ruc rud rue run ruo rur rut ruu taa tac tad tae tan tao tar tat tau tca tcc tcd tce tcn tco tcr tct tcu tda tdc tdd tde tdn tdo tdr tdt tdu te- tea tec ted tee ten teo ter tet teu tna tnc tnd tne tnn tno tnr tnt to- toa toc tod toe ton too tor tot tou tra trc trd tre trn tro trr trt tru tta ttc ttd tte ttn tto ttr ttt ttu tua tuc tud tue tun tuo tur tut tuu ua- uaa uac uad uae uan uao uar uat uau uca ucc ucd uce ucn uco ucr uct ucu uda udc udd ude udn udo udr udt udu uea uec ued uee uen uer uet un- una unc und une unn uno unr unt unu uoa uoc uod uoe uon uoo uor uot ur- ura urc urd ure urn uro urr urt uru uta utc utd ute utn uto utr utt utu uua uuc uue uun uur uut uuu