-al -er a-a a-b a-i aaa aab aae aag aai aal aan aar aau ab- aba abb abe abg abi abl abn abr abu aea aeb aee aeg aei ael aen aer aeu ag- aga agb age agg agi agl agn agr agu ai- aia aib aie aig aii ail ain air aiu al- ala alb ale alg ali all aln alr alu an- ana anb ane ang ani anl ann anr anu ar- ara arb are arg ari arl arn arr aru au- aua aub aue aug aui aul aun aur b-u baa bab bae bag bai bal ban bar bau bba bbb bbe bbg bbi bbl bbn bbr bbu be- bea beb bee beg bei bel ben ber beu bga bgb bge bgg bgi bgl bgn bgr bgu bi- bia bib bie big bii bil bin bir biu bla blb ble blg bli bll bln blr blu bna bnb bne bng bni bnl bnn bnr bnu bra brb bre brg bri brl brn brr bru bua bub bue bug bui bul bun bur buu eaa eab eae eag eai eal ean ear eau eba ebb ebe ebg ebi ebl ebn ebr ebu eea eeb eee eeg eel een eer ega egb ege egg egi egl egn egr egu eia eib eie eig eii eil ein eir eiu ela elb ele elg eli ell eln elr elu en- ena enb ene eng eni enl enn enr enu era erb ere erg eri erl ern err eru eu- eua eub eue eug eui eul eun eur gaa gab gae gag gai gal gan gar gau gba gbe gbg gbi gbl gbn gbr gbu ge- gea geb gee geg gei gel gen ger geu gga ggb ggg ggi ggn ggr ggu gia gib gie gig gii gil gin gir giu gla glb gle glg gli gll gln glr glu gna gnb gne gni gnl gnn gnr gnu gra grb gre grg gri grl grn grr gru gu- gua gub gue gug gui gul gun gur guu ia- iaa iab iae iag iai ial ian iar iau iba ibb ibe ibg ibi ibl ibn ibr ibu ie- iea iee ieg iei iel ien ier iga igb ige igg igi igl ign igr igu iia iib iie iii iil iin iir iiu il- ila ilb ile ilg ili ill iln ilr ilu in- ina inb ine ing ini inl inn inr inu ir- ira irb ire irg iri irl irn irr iru iu- iua iub iue iug iui iur la- laa lab lae lag lai lal lan lar lau lba lbb lbe lbg lbi lbl lbr lbu lea leb lee leg lei lel len ler leu lga lgb lge lgg lgi lgl lgn lgr lgu lia lib lie lig lii lil lin lir liu lla llb lle llg lli lll lln llr llu lna lnb lne lng lni lnl lnn lnr lnu lra lrb lrg lri lrn lrr lru lua lub lue lug lui lul lun lur luu n-i naa nab nae nag nai nal nan nar nau nba nbb nbe nbg nbi nbl nbn nbr nbu ne- nea neb nee neg nei nel nen ner neu nga ngb nge ngg ngi ngl ngn ngu nia nib nie nig nii nil nin nir niu nla nlb nle nlg nli nll nln nlr nlu nna nnb nne nng nni nnl nnn nnu nra nrb nre nrg nri nrl nrn nrr nru nua nub nue nug nui nul nun nur nuu ra- raa rab rae rag rai ral ran rar rau rba rbb rbe rbg rbi rbl rbn rbr rbu re- rea reb ree reg rei rel ren rer reu rga rgb rge rgg rgi rgn rgr ria rib rie rig rii ril rin rir rla rle rlg rli rll rln rlr rlu rna rnb rng rni rnn rnr rnu rra rrb rrg rri rrl rrn rrr rru rua rub rue rug rui run rur ruu ua- uaa uab uae uag uai ual uan uar uau uba ubb ube ubg ubi ubl ubn ubr ubu uea ueb uee ueg uei uel uen uer uga ugb uge ugg ugi ugl ugn ugr ugu uia uib uie uig uii uil uin uir uiu ula ulb ule ulg uli ull uln ulr ulu un- una unb une ung uni unl unn unr unu ur- ura urb ure urg uri url urn urr uru uua uue uug uun uur uuu