-er a-a a-b a-c a-t aaa aab aac aae aaj aan aao aar aas aat aau ab- aba abb abc abe abj abn abo abr abs abt abu ac- aca acb acc ace acj acn aco acr acs act acu aea aeb aec aee aej aen aeo aer aes aet aeu aja ajb ajc aje ajj ajn ajo ajr ajs ajt aju an- ana anb anc ane anj ann ano anr ans ant anu aoa aob aoc aoe aoj aon aoo aor aos aot aou ar- ara arb arc are arj arn aro arr ars art aru as- asa asb asc ase asj asn aso asr ass ast asu at- ata atb atc ate atn ato atr ats att atu au- aua aub auc aue auj aun auo aur aus aut b-u baa bab bac bae baj ban bao bar bas bat bau bba bbb bbc bbe bbn bbo bbr bbs bbt bbu bca bcb bcc bce bcj bcn bco bcr bcs bct bcu be- bea beb bec bee ben beo ber bes bet beu bja bjc bjj bjn bjr bjs bjt bju bna bnb bnc bne bnj bnn bno bnr bns bnt bnu boa bob boc boe boj bon boo bor bos bot bou bra brb bre brj brn bro brr brs brt bru bsa bsb bsc bse bsj bsn bso bsr bss bst bsu bta btb btc bte btn bto btr bts btt btu bua bub buc bue buj bun buo bur bus but buu c-- c-j caa cab cac cae caj can cao car cas cat cau cba cbb cbc cbe cbj cbn cbo cbr cbs cbt cbu cca ccb ccc cce ccj ccn cco ccr ccs cct ccu ce- cea ceb cec cee cej cen ceo cer ces cet ceu cja cjb cjc cjr cjs cn- cna cnb cnc cne cnj cnn cno cnr cns cnt cnu co- coa cob coc coe coj con coo cor cos cot cou cra crb crc cre crj crn cro crr crs crt cru csa csb csc cse csj csn cso csr css cst csu cta ctb ctc cte ctn cto ctr cts ctt ctu cua cub cuc cue cun cuo cur cus cut cuu eaa eab eac eae eaj ean eao ear eas eat eau eba ebb ebc ebe ebj ebn ebo ebr ebs ebt ebu ec- eca ecb ecc ece ecj ecn eco ecr ecs ect ecu eea eeb eec eee een eeo eer ees eet eja ejc ejo ejt eju en- ena enb enc ene enn eno enr ens ent enu eo- eoa eob eoc eoe eon eoo eor eos eot eou era erb erc ere ern ero err ers ert eru es- esa esb esc ese esn eso esr ess est esu eta etb etc ete etj etn eto etr ets ett etu eu- eua eub euc eue euj eun eur eus eut jaa jab jac jae jaj jan jao jar jas jat jau jba jbc jbj jbo jbr jbs jbt jbu jca jcb jcc jce jco jcr jcs jct jcu jea jeb jec jee jej jen jeo jer jes jet jeu jja jjb jjc jjj jjr jjs jju jna jnc jne jnj jnn jno jnr jns jnt jnu joa job joc joe joj jon joo jor jos jot jou jra jrb jrc jrn jro jrr jrs jrt jsa jsb jsc jse jsj jsn jso jsr jss jst jsu jta jtb jtc jte jtn jtr jts jtt jtu jub jue jun juo jur jus jut naa nab nac nae naj nan nao nar nas nat nau nba nbb nbc nbe nbn nbo nbr nbs nbt nbu nca ncb ncc nce ncn nco ncr ncs nct ncu ne- nea neb nec nee nej nen neo ner nes net neu nja njc nje njn njs nju nna nnb nnc nne nnn nno nns nnt nnu no- noa nob noc noe noj non noo nor nos not nou nra nrb nrc nre nrj nrn nro nrr nrs nrt nru nsa nsb nsc nse nsn nso nsr nss nst nsu nta ntb ntc nte ntn nto ntr nts ntt ntu nua nub nuc nue nuj nun nuo nur nus nut nuu oaa oab oac oae oaj oan oao oar oas oat oau ob- oba obb obc obe obj obn obo obr obs obt obu oc- oca ocb occ ocj ocn oco ocr ocs oct ocu oea oeb oec oee oen oeo oer oes oet oja ojb ojc oje ojo ojs oju on- ona onb onc one onj onn ono onr ons ont onu oo- ooa oob ooc oon ooo oor oos oot or- ora orb orc ore orn oro orr ors ort oru os- osa osb osc ose osj osn oso osr oss ost osu ot- ota otb otc ote otn oto otr ots ott otu ou- oua ouc oue oun ouo our ous out ra- raa rab rac rae raj ran rao rar ras rat rau rba rbb rbc rbe rbn rbo rbr rbs rbt rbu rca rcb rcc rce rcj rcn rco rcr rcs rct rcu re- rea reb rec ree ren reo rer res ret reu rja rjc rjr rna rnb rnc rnn rno rnr rns rnt rnu roa rob roc roe roj ron roo ror ros rot rou rra rrb rrc rrn rrr rrs rrt rru rsa rsb rsc rse rsj rsn rso rsr rss rst rsu rta rtb rtc rte rtj rtn rto rtr rts rtt rtu rua rub ruc rue run ruo rur rus rut ruu saa sab sac sae saj san sao sar sas sat sau sba sbb sbc sbe sbj sbn sbo sbr sbs sbt sbu sca scb scc sce scj scn sco scr scs sct scu se- sea seb sec see sej sen seo ser ses set seu sja sjb sjc sje sjj sjr sjs sjt sju sna snb snc sne snj snn sno snr sns snt snu soa sob soc soe soj son soo sor sos sot sou sr- sra srb src sre srj srn sro srr srs srt ss-