-er b-u bbb bbc bbe bbn bbo bbr bbs bbt bbu bcb bcc bce bcj bcn bco bcr bcs bct bcu be- beb bec bee ben beo ber bes bet beu bjc bjj bjn bjr bjs bjt bju bnb bnc bne bnj bnn bno bnr bns bnt bnu bob boc boe boj bon boo bor bos bot bou brb bre brj brn bro brr brs brt bru bsb bsc bse bsj bsn bso bsr bss bst bsu btb btc bte btn bto btr bts btt btu bub buc bue buj bun buo bur bus but buu c-- c-j cbb cbc cbe cbj cbn cbo cbr cbs cbt cbu ccb ccc cce ccj ccn cco ccr ccs cct ccu ce- ceb cec cee cej cen ceo cer ces cet ceu cjb cjc cjr cjs cn- cnb cnc cne cnj cnn cno cnr cns cnt cnu co- cob coc coe coj con coo cor cos cot cou crb crc cre crj crn cro crr crs crt cru csb csc cse csj csn cso csr css cst csu ctb ctc cte ctn cto ctr cts ctt ctu cub cuc cue cun cuo cur cus cut cuu ebb ebc ebe ebj ebn ebo ebr ebs ebt ebu ec- ecb ecc ece ecj ecn eco ecr ecs ect ecu eeb eec eee een eeo eer ees eet ejc ejo ejt eju en- enb enc ene enn eno enr ens ent enu eo- eob eoc eoe eon eoo eor eos eot eou erb erc ere ern ero err ers ert eru es- esb esc ese esn eso esr ess est esu etb etc ete etj etn eto etr ets ett etu eu- eub euc eue euj eun eur eus eut jbc jbj jbo jbr jbs jbt jbu jcb jcc jce jco jcr jcs jct jcu jeb jec jee jej jen jeo jer jes jet jeu jjb jjc jjj jjr jjs jju jnc jne jnj jnn jno jnr jns jnt jnu job joc joe joj jon joo jor jos jot jou jrb jrc jrn jro jrr jrs jrt jsb jsc jse jsj jsn jso jsr jss jst jsu jtb jtc jte jtn jtr jts jtt jtu jub jue jun juo jur jus jut nbb nbc nbe nbn nbo nbr nbs nbt nbu ncb ncc nce ncn nco ncr ncs nct ncu ne- neb nec nee nej nen neo ner nes net neu njc nje njn njs nju nnb nnc nne nnn nno nns nnt nnu no- nob noc noe noj non noo nor nos not nou nrb nrc nre nrj nrn nro nrr nrs nrt nru nsb nsc nse nsn nso nsr nss nst nsu ntb ntc nte ntn nto ntr nts ntt ntu nub nuc nue nuj nun nuo nur nus nut nuu ob- obb obc obe obj obn obo obr obs obt obu oc- ocb occ ocj ocn oco ocr ocs oct ocu oeb oec oee oen oeo oer oes oet ojb ojc oje ojo ojs oju on- onb onc one onj onn ono onr ons ont onu oo- oob ooc oon ooo oor oos oot or- orb orc ore orn oro orr ors ort oru os- osb osc ose osj osn oso osr oss ost osu ot- otb otc ote otn oto otr ots ott otu ou- ouc oue oun ouo our ous out rbb rbc rbe rbn rbo rbr rbs rbt rbu rcb rcc rce rcj rcn rco rcr rcs rct rcu re- reb rec ree ren reo rer res ret reu rjc rjr rnb rnc rnn rno rnr rns rnt rnu rob roc roe roj ron roo ror ros rot rou rrb rrc rrn rrr rrs rrt rru rsb rsc rse rsj rsn rso rsr rss rst rsu rtb rtc rte rtj rtn rto rtr rts rtt rtu rub ruc rue run ruo rur rus rut ruu sbb sbc sbe sbj sbn sbo sbr sbs sbt sbu scb scc sce scj scn sco scr scs sct scu se- seb sec see sej sen seo ser ses set seu sjb sjc sje sjj sjr sjs sjt sju snb snc sne snj snn sno snr sns snt snu sob soc soe soj son soo sor sos sot sou sr- srb src sre srj srn sro srr srs srt ss- ssb ssc sse ssj ssn sso ssr sss sst ssu stb stc ste stj stn sto str sts stt stu sub suc sue sun suo sur sus sut suu tbb tbc tbe tbj tbn tbo tbr tbs tbt tbu tcb tcc tce tcj tcn tco tcr tcs tct tcu te- teb tec tee tej ten teo ter tes tet teu tjc tje tjo tjr tjs tju tnb tnc tne tnn tno tnr tns tnt to- tob toc toe toj ton too tor tos tot tou trb trc tre trn tro trr trs trt tru tsb tsc tse tsj tsn tso tsr tss tst tsu ttb ttc tte ttn tto ttr tts ttt ttu tub tuc tue tuj tun tuo tur tus tut tuu ubb ubc ube ubn ubo ubr ubs ubt ubu ucb ucc uce ucj ucn uco ucr ucs uct ucu ueb uec uee uen uer ues uet ujc ujo ujs un- unb unc une unn uno unr uns unt unu uob uoc uoe uoj uon uoo uor uos uot ur- urb urc ure urn uro urr urs urt uru usb usc use usj usn uso usr uss ust usu utb utc ute utj utn uto utr uts utt utu uuc uue uun uur uus uut uuu