-er a-a a-c a-q aaa aac aad aae aao aaq aar aau ac- aca acc acd ace aco acq acr acu ad- ada adc add ade ado adq adr adu aea aec aed aee aeo aeq aer aeu aoa aoc aod aoe aoo aor aou aqa aqc aqo aqr ar- ara arc ard are aro arq arr aru au- aua auc aud aue auo aur c-- caa cac cad cae cao caq car cau cca ccc ccd cce cco ccr ccu cda cdc cdd cde cdo cdq cdr cdu ce- cea cec ced cee ceo ceq cer ceu co- coa coc cod coe coo coq cor cou cqa cqc cqd cqo cra crc crd cre cro crq crr cru cua cuc cud cue cuo cuq cur cuu daa dac dad dae dao daq dar dau dca dcc dcd dce dco dcr dcu dda ddc ddd dde ddo ddq ddr ddu de- dea dec ded dee deo deq der deu doa doc dod doe doo doq dor dou dqa dqe dra drc drd dre dro drq drr dru dua duc dud due duo dur eaa eac ead eae eao ear eau ec- eca ecc ecd ece eco ecq ecr ecu ed- eda edc edd ede edo edr edu eea eec eed eee eeo eer eo- eoa eoc eod eoe eoo eoq eor eou eqa eqe eqq equ era erc erd ere ero erq err eru eu- eua euc eud eue eur oaa oac oad oae oao oaq oar oau oc- oca occ ocd oco ocr ocu oda odc odd ode odo odr odu oea oec oed oee oeo oer oo- ooa ooc ood ooo oor oqo or- ora orc ord ore oro orr oru ou- oua ouc oud oue ouo our qaa qac qad qar qau qca qcc qcd qco qda qdr qec qed qee qeo qoo qor qqq qqu qra qrc qre qru qu- qua qud que quo qur ra- raa rac rad rae rao raq rar rau rca rcc rcd rce rco rcr rcu rda rdc rdd rde rdo rdr rdu re- rea rec red ree reo req rer reu roa roc rod roe roo ror rou rqc rra rrc rrd rrq rrr rru rua ruc rud rue ruo rur ruu ua- uaa uac uad uae uao uaq uar uau uca ucc ucd uce uco ucr ucu uda udc udd ude udo udr udu uea uec ued uee uer uoa uoc uod uoe uoo uor ur- ura urc urd ure uro urr uru uua uuc uue uur uuu