-er a-a a-c a-q aaa aac aae aan aao aaq aar aau ac- aca acc ace acn aco acq acr acu aea aec aee aen aeo aeq aer aeu an- ana anc ane ann ano anq anr anu aoa aoc aoe aon aoo aor aou aqa aqc aqn aqo aqr ar- ara arc are arn aro arq arr aru au- aua auc aue aun auo aur c-- caa cac cae can cao caq car cau cca ccc cce ccn cco ccr ccu ce- cea cec cee cen ceo ceq cer ceu cn- cna cnc cne cnn cno cnr cnu co- coa coc coe con coo coq cor cou cqa cqc cqo cra crc cre crn cro crq crr cru cua cuc cue cun cuo cuq cur cuu eaa eac eae ean eao ear eau ec- eca ecc ece ecn eco ecq ecr ecu eea eec eee een eeo eer en- ena enc ene enn eno enr enu eo- eoa eoc eoe eon eoo eoq eor eou eqa eqe eqn eqq equ era erc ere ern ero erq err eru eu- eua euc eue eun eur naa nac nae nan nao nar nau nca ncc nce ncn nco ncr ncu ne- nea nec nee nen neo ner neu nna nnc nne nnn nno nnu no- noa noc noe non noo nor nou nqc nra nrc nre nrn nro nrr nru nua nuc nue nun nuo nuq nur nuu oaa oac oae oan oao oaq oar oau oc- oca occ ocn oco ocr ocu oea oec oee oen oeo oer on- ona onc one onn ono onr onu oo- ooa ooc oon ooo oor oqo or- ora orc ore orn oro orr oru ou- oua ouc oue oun ouo our qaa qac qan qar qau qca qcc qco qec qee qen qeo qne qoo qor qqq qqu qra qrc qre qru qu- qua que quo qur ra- raa rac rae ran rao raq rar rau rca rcc rce rcn rco rcr rcu re- rea rec ree ren reo req rer reu rna rnc rnn rno rnr rnu roa roc roe ron roo ror rou rqc rqn rra rrc rrn rrq rrr rru rua ruc rue run ruo rur ruu ua- uaa uac uae uan uao uaq uar uau uca ucc uce ucn uco ucr ucu uea uec uee uen uer un- una unc une unn uno unq unr unu uoa uoc uoe uon uoo uor ur- ura urc ure urn uro urr uru uua uuc uue uun uur uuu