-al -er a-a a-b aaa aab aae aag aal aan aar aau aax ab- aba abb abe abg abl abn abr abu abx aea aeb aee aeg ael aen aer aeu aex ag- aga agb age agg agl agn agr agu agx al- ala alb ale alg all aln alr alu alx an- ana anb ane ang anl ann anr anu anx ar- ara arb are arg arl arn arr aru arx au- aua aub aue aug aul aun aur aux ax- axa axe axl axn axr axx b-u baa bab bae bag bal ban bar bau bax bba bbb bbe bbg bbl bbn bbr bbu bbx be- bea beb bee beg bel ben ber beu bex bga bgb bge bgg bgl bgn bgr bgu bgx bla blb ble blg bll bln blr blu blx bna bnb bne bng bnl bnn bnr bnu bnx bra brb bre brg brl brn brr bru brx bua bub bue bug bul bun bur buu bux bxb bxl bxn bxx eaa eab eae eag eal ean ear eau eax eba ebb ebe ebg ebl ebn ebr ebu ebx eea eeb eee eeg eel een eer eex ega egb ege egg egl egn egr egu egx ela elb ele elg ell eln elr elu elx en- ena enb ene eng enl enn enr enu era erb ere erg erl ern err eru eu- eua eub eue eug eul eun eur eux ex- exa exe exl exr exu exx gaa gab gae gag gal gan gar gau gba gbe gbg gbl gbn gbr gbu gbx ge- gea geb gee geg gel gen ger geu gex gga ggb ggg ggn ggr ggu gla glb gle glg gll gln glr glu glx gna gnb gne gnl gnn gnr gnu gra grb gre grg grl grn grr gru grx gu- gua gub gue gug gul gun gur guu gxa gxl la- laa lab lae lag lal lan lar lau lax lba lbb lbe lbg lbl lbr lbu lbx lea leb lee leg lel len ler leu lex lga lgb lge lgg lgl lgn lgr lgu lla llb lle llg lll lln llr llu lna lnb lne lng lnl lnn lnr lnu lra lrb lrg lrn lrr lru lua lub lue lug lul lun lur luu lux lxr lxx naa nab nae nag nal nan nar nau nax nba nbb nbe nbg nbl nbn nbr nbu nbx ne- nea neb nee neg nel nen ner neu nex nga ngb nge ngg ngl ngn ngu nla nlb nle nlg nll nln nlr nlu nlx nna nnb nne nng nnl nnn nnu nra nrb nre nrg nrl nrn nrr nru nrx nua nub nue nug nul nun nur nuu nux nxl ra- raa rab rae rag ral ran rar rau rax rba rbb rbe rbg rbl rbn rbr rbu rbx re- rea reb ree reg rel ren rer reu rex rga rgb rge rgg rgn rgr rgx rla rle rlg rll rln rlr rlu rna rnb rng rnn rnr rnu rra rrb rrg rrl rrn rrr rru rua rub rue rug run rur ruu rux rxr ua- uaa uab uae uag ual uan uar uau uba ubb ube ubg ubl ubn ubr ubu ubx uea ueb uee ueg uel uen uer uga ugb uge ugg ugl ugn ugr ugu ugx ula ulb ule ulg ull uln ulr ulu un- una unb une ung unl unn unr unu unx ur- ura urb ure urg url urn urr uru urx uua uue uug uun uur uuu uxb uxr uxu xaa xag xal xan xar xau xbe xbl xbr xbx xee xeg xel xen xer xeu xex xge xgl xla xlb xlg xlr xna xnu xrx xue xul xun xxl xxx