-er a-a a-b a-i a-t aaa aab aae aag aai aak aan aar aas aat aau ab- aba abb abe abg abi abk abn abr abs abt abu aea aeb aee aeg aei aek aen aer aes aet aeu ag- aga agb age agg agi agk agn agr ags agt agu ai- aia aib aie aig aii aik ain air ais ait aiu aka akb ake akg aki akk akn akr aks aku an- ana anb ane ang ani ank ann anr ans ant anu ar- ara arb are arg ari ark arn arr ars art aru as- asa asb ase asg asi ask asn asr ass ast asu at- ata atb ate atg ati atn atr ats att atu au- aua aub aue aug aui auk aun aur aus aut b-u baa bab bae bag bai bak ban bar bas bat bau bba bbb bbe bbg bbi bbk bbn bbr bbs bbt bbu be- bea beb bee beg bei bek ben ber bes bet beu bga bgb bge bgg bgi bgk bgn bgr bgs bgt bgu bi- bia bib bie big bii bik bin bir bis bit biu bka bkb bke bkg bkk bkn bkr bks bkt bna bnb bne bng bni bnk bnn bnr bns bnt bnu bra brb bre brg bri brk brn brr brs brt bru bsa bsb bse bsg bsi bsk bsn bsr bss bst bsu bta btb bte btg bti btk btn btr bts btt btu bua bub bue bug bui buk bun bur bus but buu eaa eab eae eag eai eak ean ear eas eat eau eba ebb ebe ebg ebi ebk ebn ebr ebs ebt ebu eea eeb eee eeg eek een eer ees eet ega egb ege egg egi egn egr egs egt egu eia eib eie eig eii eik ein eir eis eit eiu eka ekb eke ekg eki ekr eks ekt eku en- ena enb ene eng eni enk enn enr ens ent enu era erb ere erg eri erk ern err ers ert eru es- esa esb ese esg esi esk esn esr ess est esu eta etb ete etg eti etk etn etr ets ett etu eu- eua eub eue eug eui eun eur eus eut gaa gab gae gag gai gak gan gar gas gat gau gba gbe gbg gbi gbk gbn gbr gbs gbt gbu ge- gea geb gee geg gei gek gen ger ges get geu gga ggb ggg ggi ggn ggr ggs ggt ggu gia gib gie gig gii gik gin gir gis git giu gka gkb gkn gks gkt gna gnb gne gni gnn gnr gns gnt gnu gra grb gre grg gri grk grn grr grs grt gru gsa gsb gse gsg gsi gsk gsn gsr gss gst gsu gta gtb gte gtg gti gtk gtn gtr gts gtt gtu gu- gua gub gue gug gui guk gun gur gus gut guu ia- iaa iab iae iag iai ian iar ias iat iau iba ibb ibe ibg ibi ibk ibn ibr ibs ibt ibu ie- iea iee ieg iei iek ien ier ies iet iga igb ige igg igi igk ign igr igs igt igu iia iib iie iii iin iir iis iit iiu ika ikb ike iki ikk ikr iks ikt iku in- ina inb ine ing ini ink inn inr ins int inu ir- ira irb ire irg iri irk irn irr irs irt iru is- isa isb ise isg isi isk isn isr iss ist isu ita itb ite itg iti itk itn its itt itu iu- iua iub iue iug iui iur ius iut k-t ka- kaa kab kae kag kai kak kan kar kas kat kau kba kbb kbe kbi kbk kbn kbr kbs kbu ke- kea keb kee keg kei kek ken ker kes ket kga kgb kgi kgs kgu kia kib kie kig kii kik kin kir kis kit kiu kkb kke kki kkk kkn kkr kks kkt kku kn- kna kne kng kni knk knn knr knt knu kra krg kri krk krn krr krs krt kru ksa ksb kse ksg ksi ksk ksn ksr kss kst ksu kta ktb kte ktg ktk ktn ktr kts ktt ktu kub kue kug kui kuk kun kur kus kut kuu n-i naa nab nae nag nai nak nan nar nas nat nau nba nbb nbe nbg nbi nbk nbn nbr nbs nbt nbu ne- nea neb nee neg nei nek nen ner nes net neu nga ngb nge ngg ngi ngk ngn ngs ngt ngu nia nib nie nig nii nik nin nir nis nit niu nka nke nki nkk nkn nkr nks nkt nku nna nnb nne nng nni nnk nnn nns nnt nnu nra nrb nre nrg nri nrk nrn nrr nrs nrt nru nsa nsb nse nsg nsi nsk nsn nsr nss nst nsu nta ntb nte ntg nti ntk ntn ntr nts ntt ntu nua nub nue nug nui nuk nun nur nus nut nuu ra- raa rab rae rag rai rak ran rar ras rat rau rba rbb rbe rbg rbi rbk rbn rbr rbs rbt rbu re- rea reb ree reg rei rek ren rer res ret reu rga rgb rge rgg rgi rgk rgn rgr rgs rgt ria rib rie rig rii rik rin rir ris rit rkb rke rkg rkk rks rkt rku rna rnb rng rni rnn rnr rns rnt rnu rra rrb rrg rri rrk rrn rrr rrs rrt rru rsa rsb rse rsg rsi rsk rsn rsr rss rst rsu rta rtb rte rtg rti rtk rtn rtr rts rtt rtu rua rub rue rug rui ruk run rur rus rut ruu saa sab sae sag sai sak san sar sas sat sau sba sbb sbe sbg sbi sbk sbn sbr sbs sbt sbu se- sea seb see seg sei sek sen ser ses set seu sga sgb sge sgg sgi sgk sgn sgr sgs sgt sgu sia sib sie sig sii sik sin sir sis sit siu sk- ska skb ske skg