-er c-- ccc cce ccn cco ccr cct ccu ce- cec cee cen ceo ceq cer cet ceu cn- cnc cne cnn cno cnr cnt cnu co- coc coe con coo coq cor cot cou cqc cqo cqt crc cre crn cro crq crr crt cru ctc cte ctn cto ctq ctr ctt ctu cuc cue cun cuo cuq cur cut cuu ec- ecc ece ecn eco ecq ecr ect ecu eec eee een eeo eer eet en- enc ene enn eno enr ent enu eo- eoc eoe eon eoo eoq eor eot eou eqe eqn eqq eqt equ erc ere ern ero erq err ert eru etc ete etn eto etr ett etu eu- euc eue eun eur eut ncc nce ncn nco ncr nct ncu ne- nec nee nen neo ner net neu nnc nne nnn nno nnt nnu no- noc noe non noo nor not nou nqc nqt nrc nre nrn nro nrr nrt nru ntc nte ntn nto ntq ntr ntt ntu nuc nue nun nuo nuq nur nut nuu oc- occ ocn oco ocr oct ocu oec oee oen oeo oer oet on- onc one onn ono onr ont onu oo- ooc oon ooo oor oot oqo or- orc ore orn oro orr ort oru ot- otc ote otn oto otr ott otu ou- ouc oue oun ouo our out qcc qco qct qec qee qen qeo qet qne qoo qor qqq qqu qrc qre qrt qru qtc qto qtq qtr qu- que quo qur qut rcc rce rcn rco rcr rct rcu re- rec ree ren reo req rer ret reu rnc rnn rno rnr rnt rnu roc roe ron roo ror rot rou rqc rqn rrc rrn rrq rrr rrt rru rtc rte rtn rto rtq rtr rtt rtu ruc rue run ruo rur rut ruu tcc tce tcn tco tcr tct tcu te- tec tee ten teo teq ter tet teu tnc tne tnn tno tnq tnr tnt to- toc toe ton too toq tor tot tou tqo trc tre trn tro trq trr trt tru ttc tte ttn tto ttr ttt ttu tuc tue tun tuo tur tut tuu ucc uce ucn uco ucr uct ucu uec uee uen uer uet un- unc une unn uno unq unr unt unu uoc uoe uon uoo uor uot ur- urc ure urn uro urr urt uru utc ute utn uto utr utt utu uuc uue uun uur uut uuu