-er a-a a-b a-i aaa aab aae aaf aag aai aak aan aar aas aau ab- aba abb abe abf abg abi abk abn abr abs abu aea aeb aee aef aeg aei aek aen aer aes aeu af- afa afb afe aff afg afi afk afn afr afs afu ag- aga agb age agf agg agi agk agn agr ags agu ai- aia aib aie aif aig aii aik ain air ais aiu aka akb ake akg aki akk akn akr aks aku an- ana anb ane anf ang ani ank ann anr ans anu ar- ara arb are arf arg ari ark arn arr ars aru as- asa asb ase asf asg asi ask asn asr ass asu au- aua aub aue auf aug aui auk aun aur aus b-u baa bab bae baf bag bai bak ban bar bas bau bba bbb bbe bbf bbg bbi bbk bbn bbr bbs bbu be- bea beb bee bef beg bei bek ben ber bes beu bfa bfb bfe bff bfg bfi bfn bfr bfs bfu bga bgb bge bgf bgg bgi bgk bgn bgr bgs bgu bi- bia bib bie bif big bii bik bin bir bis biu bka bkb bke bkf bkg bkk bkn bkr bks bna bnb bne bnf bng bni bnk bnn bnr bns bnu bra brb bre brf brg bri brk brn brr brs bru bsa bsb bse bsf bsg bsi bsk bsn bsr bss bsu bua bub bue buf bug bui buk bun bur bus buu eaa eab eae eaf eag eai eak ean ear eas eau eba ebb ebe ebf ebg ebi ebk ebn ebr ebs ebu eea eeb eee eef eeg eek een eer ees ef- efa efb efe eff efg efi efr efs ega egb ege egf egg egi egn egr egs egu eia eib eie eif eig eii eik ein eir eis eiu eka ekb eke ekf ekg eki ekr eks eku en- ena enb ene enf eng eni enk enn enr ens enu era erb ere erf erg eri erk ern err ers eru es- esa esb ese esf esg esi esk esn esr ess esu eu- eua eub eue euf eug eui eun eur eus faa fab fae faf fag fai fak fan far fas fau fba fbb fbe fbf fbg fbi fbk fbn fbr fbs fbu fea feb fee fef feg fei fek fen fer fes feu ffa ffe fff ffg ffi ffk ffn ffr ffs ffu fga fgb fge fgf fgg fgi fgn fgr fgs fia fib fie fif fig fii fik fin fir fis fiu fka fkb fkf fkg fki fkk fna fnb fne fnf fng fni fnk fnn fnr fns fnu fra frb fre frf frg fri frk frn frr frs fru fsa fsb fse fsf fsg fsi fsk fsn fsr fss fsu fua fub fue fuf fug fui fuk fun fur fus fuu gaa gab gae gaf gag gai gak gan gar gas gau gba gbe gbf gbg gbi gbk gbn gbr gbs gbu ge- gea geb gee gef geg gei gek gen ger ges geu gfa gfb gfe gff gfi gfk gfr gfs gga ggb ggg ggi ggn ggr ggs ggu gia gib gie gif gig gii gik gin gir gis giu gka gkb gkn gks gna gnb gne gnf gni gnn gnr gns gnu gra grb gre grf grg gri grk grn grr grs gru gsa gsb gse gsf gsg gsi gsk gsn gsr gss gsu gu- gua gub gue guf gug gui guk gun gur gus guu i-f ia- iaa iab iae iaf iag iai ian iar ias iau iba ibb ibe ibf ibg ibi ibk ibn ibr ibs ibu ie- iea iee ief ieg iei iek ien ier ies ifa ifb ife iff ifg ifi ifn ifr ifs ifu iga igb ige igf igg igi igk ign igr igs igu iia iib iie iif iii iin iir iis iiu ika ikb ike ikf iki ikk ikr iks iku in- ina inb ine inf ing ini ink inn inr ins inu ir- ira irb ire irf irg iri irk irn irr irs iru is- isa isb ise isf isg isi isk isn isr iss isu iu- iua iub iue iug iui iur ius ka- kaa kab kae kaf kag kai kak kan kar kas kau kba kbb kbe kbf kbi kbk kbn kbr kbs kbu ke- kea keb kee kef keg kei kek ken ker kes kfa kff kfg kfi kfs kfu kga kgb kgf kgi kgs kgu kia kib kie kif kig kii kik kin kir kis kiu kkb kke kki kkk kkn kkr kks kku kn- kna kne knf kng kni knk knn knr knu kra krf krg kri krk krn krr krs kru ksa ksb kse ksf ksg ksi ksk ksn ksr kss ksu kub kue kug kui kuk kun kur kus kuu n-i naa nab nae naf nag nai nak nan nar nas nau nba nbb nbe nbf nbg nbi nbk nbn nbr nbs nbu ne- nea neb nee nef neg nei nek nen ner nes neu nfa nfb nfe nff nfi nfk nfn nfr nfs nfu nga ngb nge ngf ngg ngi ngk ngn ngs ngu nia nib nie nif nig nii nik nin nir nis niu nka nke nkf nki nkk nkn nkr nks nku nna nnb nne nnf nng nni nnk nnn nns nnu nra nrb nre nrf nrg nri nrk nrn nrr nrs nru nsa nsb nse nsf nsg nsi nsk nsn nsr nss nsu nua nub nue nug nui nuk nun nur nus nuu ra- raa rab rae raf rag rai rak ran rar ras rau rba rbb rbe rbf rbg rbi rbk rbn rbr rbs rbu re- rea reb ree ref reg rei rek ren rer res reu rfa rfb rfe rff rfg rfi rfk rfn rfr rfs rfu rga rgb rge rgf rgg rgi rgk rgn rgr rgs ria rib rie rif rig rii rik rin rir ris rkb rke rkf rkg rkk rks rku rna rnb rng rni