-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aag aai aak aan aar aat aau ab- aba abb abc abe abg abi abk abn abr abt abu ac- aca acb acc ace acg aci ack acn acr act acu aea aeb aec aee aeg aei aek aen aer aet aeu ag- aga agb agc age agg agi agk agn agr agt agu ai- aia aib aic aie aig aii aik ain air ait aiu aka akb akc ake akg aki akk akn akr aku an- ana anb anc ane ang ani ank ann anr ant anu ar- ara arb arc are arg ari ark arn arr art aru at- ata atb atc ate atg ati atn atr att atu au- aua aub auc aue aug aui auk aun aur aut b-u baa bab bac bae bag bai bak ban bar bat bau bba bbb bbc bbe bbg bbi bbk bbn bbr bbt bbu bca bcb bcc bce bcg bci bck bcn bcr bct bcu be- bea beb bec bee beg bei bek ben ber bet beu bga bgb bgc bge bgg bgi bgk bgn bgr bgt bgu bi- bia bib bic bie big bii bik bin bir bit biu bka bkb bkc bke bkg bkk bkn bkr bkt bna bnb bnc bne bng bni bnk bnn bnr bnt bnu bra brb bre brg bri brk brn brr brt bru bta btb btc bte btg bti btk btn btr btt btu bua bub buc bue bug bui buk bun bur but buu c-- caa cab cac cae cag cai cak can car cat cau cba cbb cbc cbe cbg cbi cbk cbn cbr cbt cbu cca ccb ccc cce ccg cci cck ccn ccr cct ccu ce- cea ceb cec cee ceg cei cek cen cer cet ceu cga cgb cgc cge cgg cgi cgn cgr cgt cgu ci- cia cib cic cie cig cii cik cin cir cit ciu cka ckb ckc cki ckt cn- cna cnb cnc cne cng cni cnn cnr cnt cnu cra crb crc cre crg cri crk crn crr crt cru cta ctb ctc cte ctg cti ctk ctn ctr ctt ctu cua cub cuc cue cug cui cuk cun cur cut cuu eaa eab eac eae eag eai eak ean ear eat eau eba ebb ebc ebe ebg ebi ebk ebn ebr ebt ebu ec- eca ecb ecc ece ecg eci eck ecn ecr ect ecu eea eeb eec eee eeg eek een eer eet ega egb egc ege egg egi egn egr egt egu eia eib eic eie eig eii eik ein eir eit eiu eka ekb ekc eke ekg eki ekr ekt eku en- ena enb enc ene eng eni enk enn enr ent enu era erb erc ere erg eri erk ern err ert eru eta etb etc ete etg eti etk etn etr ett etu eu- eua eub euc eue eug eui eun eur eut gaa gab gac gae gag gai gak gan gar gat gau gba gbc gbe gbg gbi gbk gbn gbr gbt gbu gca gcb gcc gce gcg gci gck gcn gcr gct gcu ge- gea geb gec gee geg gei gek gen ger get geu gga ggb ggc ggg ggi ggn ggr ggt ggu gia gib gic gie gig gii gik gin gir git giu gka gkb gkn gkt gna gnb gnc gne gni gnn gnr gnt gnu gra grb grc gre grg gri grk grn grr grt gru gta gtb gtc gte gtg gti gtk gtn gtr gtt gtu gu- gua gub guc gue gug gui guk gun gur gut guu ia- iaa iab iac iae iag iai ian iar iat iau iba ibb ibc ibe ibg ibi ibk ibn ibr ibt ibu ica icb icc ice icg ici ick icn icr ict icu ie- iea iec iee ieg iei iek ien ier iet iga igb igc ige igg igi igk ign igr igt igu iia iib iic iie iii iin iir iit iiu ika ikb ikc ike iki ikk ikr ikt iku in- ina inb inc ine ing ini ink inn inr int inu ir- ira irb irc ire irg iri irk irn irr irt iru ita itb itc ite itg iti itk itn itt itu iu- iua iub iuc iue iug iui iur iut k-t ka- kaa kab kac kae kag kai kak kan kar kat kau kba kbb kbc kbe kbi kbk kbn kbr kbu kca kcb kcc kce kcg kci kck kcn kcr kct kcu ke- kea keb kec kee keg kei kek ken ker ket kga kgb kgc kgi kgu kia kib kic kie kig kii kik kin kir kit kiu kkb kkc kke kki kkk kkn kkr kkt kku kn- kna knc kne kng kni knk knn knr knt knu kra krc krg kri krk krn krr krt kru kta ktb ktc kte ktg ktk ktn ktr ktt ktu kub kuc kue kug kui kuk kun kur kut kuu n-i naa nab nac nae nag nai nak nan nar nat nau nba nbb nbc nbe nbg nbi nbk nbn nbr nbt nbu nca ncb ncc nce ncg nci nck ncn ncr nct ncu ne- nea neb nec nee neg nei nek nen ner net neu nga ngb ngc nge ngg ngi ngk ngn ngt ngu nia nib nic nie nig nii nik nin nir nit niu nka nkc nke nki nkk nkn nkr nkt nku nna nnb nnc nne nng nni nnk nnn nnt nnu nra nrb nrc nre nrg nri nrk nrn nrr nrt nru nta ntb ntc nte ntg nti ntk ntn ntr ntt ntu nua nub nuc nue nug nui nuk nun nur nut nuu ra- raa rab rac rae rag rai rak ran rar rat rau rba rbb rbc rbe rbg rbi rbk rbn rbr rbt rbu rca rcb rcc rce rcg rci rcn rcr rct rcu re- rea reb rec ree reg rei rek ren rer ret reu rga rgb rgc rge rgg rgi rgk rgn rgr rgt ria rib ric