-al -er -ic a-a a-b a-c a-i aaa aab aac aae aag aai aal aan aar aau ab- aba abb abc abe abg abi abl abn abr abu ac- aca acb acc ace acg aci acl acn acr acu aea aeb aec aee aeg aei ael aen aer aeu ag- aga agb agc age agg agi agl agn agr agu ai- aia aib aic aie aig aii ail ain air aiu al- ala alb alc ale alg ali all aln alr alu an- ana anb anc ane ang ani anl ann anr anu ar- ara arb arc are arg ari arl arn arr aru au- aua aub auc aue aug aui aul aun aur b-u baa bab bac bae bag bai bal ban bar bau bba bbb bbc bbe bbg bbi bbl bbn bbr bbu bca bcb bcc bce bcg bci bcl bcn bcr bcu be- bea beb bec bee beg bei bel ben ber beu bga bgb bgc bge bgg bgi bgl bgn bgr bgu bi- bia bib bic bie big bii bil bin bir biu bla blb blc ble blg bli bll bln blr blu bna bnb bnc bne bng bni bnl bnn bnr bnu bra brb bre brg bri brl brn brr bru bua bub buc bue bug bui bul bun bur buu c-- caa cab cac cae cag cai cal can car cau cba cbb cbc cbe cbg cbi cbl cbn cbr cbu cca ccb ccc cce ccg cci ccl ccn ccr ccu ce- cea ceb cec cee ceg cei cel cen cer ceu cga cgb cgc cge cgg cgi cgl cgn cgr cgu ci- cia cib cic cie cig cii cil cin cir ciu cl- cla clb clc cle clg cli cll cln clr clu cn- cna cnb cnc cne cng cni cnl cnn cnr cnu cra crb crc cre crg cri crl crn crr cru cua cub cuc cue cug cui cul cun cur cuu eaa eab eac eae eag eai eal ean ear eau eba ebb ebc ebe ebg ebi ebl ebn ebr ebu ec- eca ecb ecc ece ecg eci ecl ecn ecr ecu eea eeb eec eee eeg eel een eer ega egb egc ege egg egi egl egn egr egu eia eib eic eie eig eii eil ein eir eiu ela elb elc ele elg eli ell eln elr elu en- ena enb enc ene eng eni enl enn enr enu era erb erc ere erg eri erl ern err eru eu- eua eub euc eue eug eui eul eun eur gaa gab gac gae gag gai gal gan gar gau gba gbc gbe gbg gbi gbl gbn gbr gbu gca gcb gcc gce gcg gci gcl gcn gcr gcu ge- gea geb gec gee geg gei gel gen ger geu gga ggb ggc ggg ggi ggn ggr ggu gia gib gic gie gig gii gil gin gir giu gla glb glc gle glg gli gll gln glr glu gna gnb gnc gne gni gnl gnn gnr gnu gra grb grc gre grg gri grl grn grr gru gu- gua gub guc gue gug gui gul gun gur guu ia- iaa iab iac iae iag iai ial ian iar iau iba ibb ibc ibe ibg ibi ibl ibn ibr ibu ica icb icc ice icg ici icl icn icr icu ie- iea iec iee ieg iei iel ien ier iga igb igc ige igg igi igl ign igr igu iia iib iic iie iii iil iin iir iiu il- ila ilb ilc ile ilg ili ill iln ilr ilu in- ina inb inc ine ing ini inl inn inr inu ir- ira irb irc ire irg iri irl irn irr iru iu- iua iub iuc iue iug iui iur la- laa lab lac lae lag lai lal lan lar lau lba lbb lbc lbe lbg lbi lbl lbr lbu lca lcb lcc lce lcg lci lcl lcn lcr lcu lea leb lec lee leg lei lel len ler leu lga lgb lgc lge lgg lgi lgl lgn lgr lgu lia lib lic lie lig lii lil lin lir liu lla llb llc lle llg lli lll lln llr llu lna lnb lnc lne lng lni lnl lnn lnr lnu lra lrb lrc lrg lri lrn lrr lru lua lub luc lue lug lui lul lun lur luu n-i naa nab nac nae nag nai nal nan nar nau nba nbb nbc nbe nbg nbi nbl nbn nbr nbu nca ncb ncc nce ncg nci ncl ncn ncr ncu ne- nea neb nec nee neg nei nel nen ner neu nga ngb ngc nge ngg ngi ngl ngn ngu nia nib nic nie nig nii nil nin nir niu nla nlb nlc nle nlg nli nll nln nlr nlu nna nnb nnc nne nng nni nnl nnn nnu nra nrb nrc nre nrg nri nrl nrn nrr nru nua nub nuc nue nug nui nul nun nur nuu ra- raa rab rac rae rag rai ral ran rar rau rba rbb rbc rbe rbg rbi rbl rbn rbr rbu rca rcb rcc rce rcg rci rcl rcn rcr rcu re- rea reb rec ree reg rei rel ren rer reu rga rgb rgc rge rgg rgi rgn rgr ria rib ric rie rig rii ril rin rir rla rlc rle rlg rli rll rln rlr rlu rna rnb rnc rng rni rnn rnr rnu rra rrb rrc rrg rri rrl rrn rrr rru rua rub ruc rue rug rui run rur ruu ua- uaa uab uac uae uag uai ual uan uar uau uba ubb ubc ube ubg ubi ubl ubn ubr ubu uca ucb ucc uce ucg uci ucl ucn ucr ucu uea ueb uec uee ueg uei uel uen uer uga ugb ugc uge ugg ugi ugl ugn ugr ugu uia uib uic uie uig uii uil uin uir uiu ula ulb ulc ule ulg uli ull uln ulr ulu un- una unb unc une ung uni unl unn unr unu ur- ura urb urc ure urg uri url