-er a-a a-b a-t aaa aab aad aae aaf aak aan aar aas aat aau ab- aba abb abd abe abf abk abn abr abs abt abu ad- ada adb add ade adf adk adn adr ads adt adu aea aeb aed aee aef aek aen aer aes aet aeu af- afa afb afd afe aff afk afn afr afs aft afu aka akb akd ake akk akn akr aks aku an- ana anb and ane anf ank ann anr ans ant anu ar- ara arb ard are arf ark arn arr ars art aru as- asa asb asd ase asf ask asn asr ass ast asu at- ata atb atd ate atf atn atr ats att atu au- aua aub aud aue auf auk aun aur aus aut b-u baa bab bad bae baf bak ban bar bas bat bau bba bbb bbd bbe bbf bbk bbn bbr bbs bbt bbu bda bdb bdd bde bdf bdk bdr bds bdt bdu be- bea beb bed bee bef bek ben ber bes bet beu bfa bfb bfd bfe bff bfn bfr bfs bft bfu bka bkb bke bkf bkk bkn bkr bks bkt bna bnb bnd bne bnf bnk bnn bnr bns bnt bnu bra brb brd bre brf brk brn brr brs brt bru bsa bsb bsd bse bsf bsk bsn bsr bss bst bsu bta btb btd bte btf btk btn btr bts btt btu bua bub bud bue buf buk bun bur bus but buu daa dab dad dae daf dak dan dar das dat dau dba dbb dbd dbe dbf dbk dbn dbr dbs dbt dbu dda ddb ddd dde ddf ddk ddn ddr dds ddt ddu de- dea deb ded dee def dek den der des det deu dfa dfb dfd dfe dff dfk dfn dfr dfs dft dfu dka dkb dke dkk dkr dks dkt dku dna dnb dnd dne dnf dnk dnn dnr dns dnt dra drb drd dre drk drn drr drs drt dru dsa dsb dsd dse dsf dsk dsn dsr dss dst dsu dta dtb dtd dte dtf dtk dtn dtr dts dtt dtu dua dub dud due duf duk dun dur dus dut eaa eab ead eae eaf eak ean ear eas eat eau eba ebb ebd ebe ebf ebk ebn ebr ebs ebt ebu ed- eda edb edd ede edf edk edn edr eds edt edu eea eeb eed eee eef eek een eer ees eet ef- efa efb efd efe eff efr efs eft eka ekb ekd eke ekf ekr eks ekt eku en- ena enb end ene enf enk enn enr ens ent enu era erb erd ere erf erk ern err ers ert eru es- esa esb esd ese esf esk esn esr ess est esu eta etb etd ete etf etk etn etr ets ett etu eu- eua eub eud eue euf eun eur eus eut faa fab fad fae faf fak fan far fas fat fau fba fbb fbd fbe fbf fbk fbn fbr fbs fbt fbu fda fdb fdd fde fdf fdk fdn fdr fds fdt fdu fea feb fed fee fef fek fen fer fes fet feu ffa ffd ffe fff ffk ffn ffr ffs fft ffu fka fkb fkf fkk fkt fna fnb fnd fne fnf fnk fnn fnr fns fnt fnu fra frb frd fre frf frk frn frr frs frt fru fsa fsb fsd fse fsf fsk fsn fsr fss fst fsu fta ftb ftd fte ftf ftk ftn ftr fts ftt ftu fua fub fud fue fuf fuk fun fur fus fut fuu k-t ka- kaa kab kad kae kaf kak kan kar kas kat kau kba kbb kbd kbe kbf kbk kbn kbr kbs kbu kda kdb kde kdf kdk kdr kds kdt kdu ke- kea keb ked kee kef kek ken ker kes ket kfa kfd kff kfs kfu kkb kke kkk kkn kkr kks kkt kku kn- kna knd kne knf knk knn knr knt knu kra krd krf krk krn krr krs krt kru ksa ksb ksd kse ksf ksk ksn ksr kss kst ksu kta ktb kte ktf ktk ktn ktr kts ktt ktu kub kud kue kuk kun kur kus kut kuu naa nab nad nae naf nak nan nar nas nat nau nba nbb nbd nbe nbf nbk nbn nbr nbs nbt nbu nda ndb ndd nde ndf ndk ndn ndr nds ndt ndu ne- nea neb ned nee nef nek nen ner nes net neu nfa nfb nfd nfe nff nfk nfn nfr nfs nft nfu nka nke nkf nkk nkn nkr nks nkt nku nna nnb nne nnf nnk nnn nns nnt nnu nra nrb nrd nre nrf nrk nrn nrr nrs nrt nru nsa nsb nsd nse nsf nsk nsn nsr nss nst nsu nta ntb ntd nte ntf ntk ntn ntr nts ntt ntu nua nub nud nue nuk nun nur nus nut nuu ra- raa rab rad rae raf rak ran rar ras rat rau rba rbb rbd rbe rbf rbk rbn rbr rbs rbt rbu rda rdb rdd rde rdf rdn rdr rds rdt rdu re- rea reb red ree ref rek ren rer res ret reu rfa rfb rfd rfe rff rfk rfn rfr rfs rft rfu rkb rke rkf rkk rks rkt rku rna rnb rnd rnn rnr rns rnt rnu rra rrb rrd rrf rrk rrn rrr rrs rrt rru rsa rsb rsd rse rsf rsk rsn rsr rss rst rsu rta rtb rtd rte rtf rtk rtn rtr rts rtt rtu rua rub rud rue ruf ruk run rur rus rut ruu saa sab sad sae saf sak san sar sas sat sau sba sbb sbd sbe sbf sbk sbn sbr sbs sbt sbu sda sdb sdd sde sdf sdk sdn sdr sds sdt sdu se- sea seb sed see sef sek sen ser ses set seu sfa sfb sfd sfe sff sfk sfn sfr sfs sft sfu sk- ska skb skd ske skf skk skr sks skt sku sna