-er -ic a-a a-b a-c a-i aaa aab aac aae aag aai aak aan aar aas aau ab- aba abb abc abe abg abi abk abn abr abs abu ac- aca acb acc ace acg aci ack acn acr acs acu aea aeb aec aee aeg aei aek aen aer aes aeu ag- aga agb agc age agg agi agk agn agr ags agu ai- aia aib aic aie aig aii aik ain air ais aiu aka akb akc ake akg aki akk akn akr aks aku an- ana anb anc ane ang ani ank ann anr ans anu ar- ara arb arc are arg ari ark arn arr ars aru as- asa asb asc ase asg asi ask asn asr ass asu au- aua aub auc aue aug aui auk aun aur aus b-u baa bab bac bae bag bai bak ban bar bas bau bba bbb bbc bbe bbg bbi bbk bbn bbr bbs bbu bca bcb bcc bce bcg bci bck bcn bcr bcs bcu be- bea beb bec bee beg bei bek ben ber bes beu bga bgb bgc bge bgg bgi bgk bgn bgr bgs bgu bi- bia bib bic bie big bii bik bin bir bis biu bka bkb bkc bke bkg bkk bkn bkr bks bna bnb bnc bne bng bni bnk bnn bnr bns bnu bra brb bre brg bri brk brn brr brs bru bsa bsb bsc bse bsg bsi bsk bsn bsr bss bsu bua bub buc bue bug bui buk bun bur bus buu c-- caa cab cac cae cag cai cak can car cas cau cba cbb cbc cbe cbg cbi cbk cbn cbr cbs cbu cca ccb ccc cce ccg cci cck ccn ccr ccs ccu ce- cea ceb cec cee ceg cei cek cen cer ces ceu cga cgb cgc cge cgg cgi cgn cgr cgs cgu ci- cia cib cic cie cig cii cik cin cir cis ciu cka ckb ckc cki cks cn- cna cnb cnc cne cng cni cnn cnr cns cnu cra crb crc cre crg cri crk crn crr crs cru csa csb csc cse csg csi csk csn csr css csu cua cub cuc cue cug cui cuk cun cur cus cuu eaa eab eac eae eag eai eak ean ear eas eau eba ebb ebc ebe ebg ebi ebk ebn ebr ebs ebu ec- eca ecb ecc ece ecg eci eck ecn ecr ecs ecu eea eeb eec eee eeg eek een eer ees ega egb egc ege egg egi egn egr egs egu eia eib eic eie eig eii eik ein eir eis eiu eka ekb ekc eke ekg eki ekr eks eku en- ena enb enc ene eng eni enk enn enr ens enu era erb erc ere erg eri erk ern err ers eru es- esa esb esc ese esg esi esk esn esr ess esu eu- eua eub euc eue eug eui eun eur eus gaa gab gac gae gag gai gak gan gar gas gau gba gbc gbe gbg gbi gbk gbn gbr gbs gbu gca gcb gcc gce gcg gci gck gcn gcr gcs gcu ge- gea geb gec gee geg gei gek gen ger ges geu gga ggb ggc ggg ggi ggn ggr ggs ggu gia gib gic gie gig gii gik gin gir gis giu gka gkb gkn gks gna gnb gnc gne gni gnn gnr gns gnu gra grb grc gre grg gri grk grn grr grs gru gsa gsb gsc gse gsg gsi gsk gsn gsr gss gsu gu- gua gub guc gue gug gui guk gun gur gus guu ia- iaa iab iac iae iag iai ian iar ias iau iba ibb ibc ibe ibg ibi ibk ibn ibr ibs ibu ica icb icc ice icg ici ick icn icr ics icu ie- iea iec iee ieg iei iek ien ier ies iga igb igc ige igg igi igk ign igr igs igu iia iib iic iie iii iin iir iis iiu ika ikb ikc ike iki ikk ikr iks iku in- ina inb inc ine ing ini ink inn inr ins inu ir- ira irb irc ire irg iri irk irn irr irs iru is- isa isb isc ise isg isi isk isn isr iss isu iu- iua iub iuc iue iug iui iur ius ka- kaa kab kac kae kag kai kak kan kar kas kau kba kbb kbc kbe kbi kbk kbn kbr kbs kbu kca kcb kcc kce kcg kci kck kcn kcr kcs kcu ke- kea keb kec kee keg kei kek ken ker kes kga kgb kgc kgi kgs kgu kia kib kic kie kig kii kik kin kir kis kiu kkb kkc kke kki kkk kkn kkr kks kku kn- kna knc kne kng kni knk knn knr knu kra krc krg kri krk krn krr krs kru ksa ksb ksc kse ksg ksi ksk ksn ksr kss ksu kub kuc kue kug kui kuk kun kur kus kuu n-i naa nab nac nae nag nai nak nan nar nas nau nba nbb nbc nbe nbg nbi nbk nbn nbr nbs nbu nca ncb ncc nce ncg nci nck ncn ncr ncs ncu ne- nea neb nec nee neg nei nek nen ner nes neu nga ngb ngc nge ngg ngi ngk ngn ngs ngu nia nib nic nie nig nii nik nin nir nis niu nka nkc nke nki nkk nkn nkr nks nku nna nnb nnc nne nng nni nnk nnn nns nnu nra nrb nrc nre nrg nri nrk nrn nrr nrs nru nsa nsb nsc nse nsg nsi nsk nsn nsr nss nsu nua nub nuc nue nug nui nuk nun nur nus nuu ra- raa rab rac rae rag rai rak ran rar ras rau rba rbb rbc rbe rbg rbi rbk rbn rbr rbs rbu rca rcb rcc rce rcg rci rcn rcr rcs rcu re- rea reb rec ree reg rei rek ren rer res reu rga rgb rgc rge rgg rgi rgk rgn