-al -er a-a a-b a-c aaa aab aac aae aag aal aam aan aar aau ab- aba abb abc abe abg abl abm abn abr abu ac- aca acb acc ace acg acl acm acn acr acu aea aeb aec aee aeg ael aem aen aer aeu ag- aga agb agc age agg agl agm agn agr agu al- ala alb alc ale alg all alm aln alr alu ama amb amc ame amg aml amm amn amr amu an- ana anb anc ane ang anl anm ann anr anu ar- ara arb arc are arg arl arm arn arr aru au- aua aub auc aue aug aul aum aun aur b-u baa bab bac bae bag bal bam ban bar bau bba bbb bbc bbe bbg bbl bbm bbn bbr bbu bca bcb bcc bce bcg bcl bcm bcn bcr bcu be- bea beb bec bee beg bel bem ben ber beu bga bgb bgc bge bgg bgl bgm bgn bgr bgu bla blb blc ble blg bll blm bln blr blu bma bmb bmc bme bmg bml bmm bmn bmr bmu bna bnb bnc bne bng bnl bnn bnr bnu bra brb bre brg brl brm brn brr bru bua bub buc bue bug bul bum bun bur buu c-- caa cab cac cae cag cal cam can car cau cba cbb cbc cbe cbg cbl cbm cbn cbr cbu cca ccb ccc cce ccg ccl ccm ccn ccr ccu ce- cea ceb cec cee ceg cel cem cen cer ceu cga cgb cgc cge cgg cgl cgm cgn cgr cgu cl- cla clb clc cle clg cll clm cln clr clu cma cmb cmc cme cmg cml cmm cmn cmr cmu cn- cna cnb cnc cne cng cnl cnm cnn cnr cnu cra crb crc cre crg crl crm crn crr cru cua cub cuc cue cug cul cum cun cur cuu eaa eab eac eae eag eal eam ean ear eau eba ebb ebc ebe ebg ebl ebm ebn ebr ebu ec- eca ecb ecc ece ecg ecl ecm ecn ecr ecu eea eeb eec eee eeg eel eem een eer ega egb egc ege egg egl egm egn egr egu ela elb elc ele elg ell elm eln elr elu em- ema emb emc eme emg eml emm emn emr emu en- ena enb enc ene eng enl enm enn enr enu era erb erc ere erg erl erm ern err eru eu- eua eub euc eue eug eul eun eur gaa gab gac gae gag gal gam gan gar gau gba gbc gbe gbg gbl gbm gbn gbr gbu gca gcb gcc gce gcg gcl gcm gcn gcr gcu ge- gea geb gec gee geg gel gem gen ger geu gga ggb ggc ggg ggm ggn ggr ggu gla glb glc gle glg gll glm gln glr glu gma gmb gmc gme gmg gml gmm gmn gmr gna gnb gnc gne gnl gnm gnn gnr gnu gra grb grc gre grg grl grm grn grr gru gu- gua gub guc gue gug gul gum gun gur guu la- laa lab lac lae lag lal lam lan lar lau lba lbb lbc lbe lbg lbl lbm lbr lbu lca lcb lcc lce lcg lcl lcm lcn lcr lcu lea leb lec lee leg lel lem len ler leu lga lgb lgc lge lgg lgl lgm lgn lgr lgu lla llb llc lle llg lll llm lln llr llu lma lmb lmc lme lmg lml lmm lmn lmr lmu lna lnb lnc lne lng lnl lnm lnn lnr lnu lra lrb lrc lrg lrm lrn lrr lru lua lub luc lue lug lul lum lun lur luu m-r maa mab mac mae mag mal mam man mar mau mba mbb mbc mbe mbg mbl mbm mbr mbu mc- mca mcb mcc mce mcg mcl mcm mcn mcr mcu mea meb mec mee meg mel mem men mer meu mga mgb mgc mge mgl mgm mgn mgr mgu mla mlb mlc mle mlg mll mlm mln mlr mlu mma mmb mmc mme mmg mml mmm mmn mmr mmu mna mnb mnc mne mng mnl mnm mnn mnr mnu mra mrb mrc mre mrg mrl mrm mrn mrr mru mua mub muc mue mug mul mum mun mur muu naa nab nac nae nag nal nam nan nar nau nba nbb nbc nbe nbg nbl nbm nbn nbr nbu nca ncb ncc nce ncg ncl ncm ncn ncr ncu ne- nea neb nec nee neg nel nem nen ner neu nga ngb ngc nge ngg ngl ngm ngn ngu nla nlb nlc nle nlg nll nlm nln nlr nlu nma nmb nmc nme nmg nml nmm nmn nmr nmu nna nnb nnc nne nng nnl nnm nnn nnu nra nrb nrc nre nrg nrl nrm nrn nrr nru nua nub nuc nue nug nul num nun nur nuu ra- raa rab rac rae rag ral ram ran rar rau rba rbb rbc rbe rbg rbl rbm rbn rbr rbu rca rcb rcc rce rcg rcl rcm rcn rcr rcu re- rea reb rec ree reg rel rem ren rer reu rga rgb rgc rge rgg rgn rgr rla rlc rle rlg rll rlm rln rlr rlu rma rmb rmc rme rmg rml rmm rmn rmr rna rnb rnc rng rnm rnn rnr rnu rra rrb rrc rrg rrl rrm rrn rrr rru rua rub ruc rue rug rum run rur ruu ua- uaa uab uac uae uag ual uam uan uar uau uba ubb ubc ube ubg ubl ubn ubr ubu uca ucb ucc uce ucg ucl ucm ucn ucr ucu uea ueb uec uee ueg uel uem uen uer uga ugb ugc uge ugg ugl ugm ugn ugr ugu ula ulb ulc ule ulg ull ulm uln ulr ulu um- uma umb umc ume umg uml umm umn umr umu un- una unb unc une ung unl unm unn unr unu ur- ura urb urc ure urg url urm urn urr uru uua uuc uue uug uum