-al a-a a-b a-c aaa aab aac aae aag aah aal aam aau ab- aba abb abc abe abg abh abl abm abu ac- aca acb acc ace acg ach acl acm acu aea aeb aec aee aeg aeh ael aem aeu ag- aga agb agc age agg agh agl agm agu aha ahb ahc ahe ahg ahh ahl ahm ahu al- ala alb alc ale alg alh all alm alu ama amb amc ame amg amh aml amm amu au- aua aub auc aue aug auh aul aum b-u baa bab bac bae bag bah bal bam bau bba bbb bbc bbe bbg bbh bbl bbm bbu bca bcb bcc bce bcg bch bcl bcm bcu be- bea beb bec bee beg beh bel bem beu bga bgb bgc bge bgg bgh bgl bgm bgu bha bhb bhc bhe bhg bhh bhl bhm bhu bla blb blc ble blg blh bll blm blu bma bmb bmc bme bmg bmh bml bmm bmu bua bub buc bue bug buh bul bum buu c-- caa cab cac cae cag cah cal cam cau cba cbb cbc cbe cbg cbh cbl cbm cbu cca ccb ccc cce ccg cch ccl ccm ccu ce- cea ceb cec cee ceg ceh cel cem ceu cga cgb cgc cge cgg cgh cgl cgm cgu ch- cha chb chc che chg chh chl chm chu cl- cla clb clc cle clg clh cll clm clu cma cmb cmc cme cmg cmh cml cmm cmu cua cub cuc cue cug cuh cul cum cuu eaa eab eac eae eag eah eal eam eau eba ebb ebc ebe ebg ebh ebl ebm ebu ec- eca ecb ecc ece ecg ech ecl ecm ecu eea eeb eec eee eeg eel eem ega egb egc ege egg egh egl egm egu eha ehb ehc ehe ehg ehh ehl ehm ehu ela elb elc ele elg elh ell elm elu em- ema emb emc eme emg emh eml emm emu eu- eua eub euc eue eug eul gaa gab gac gae gag gah gal gam gau gba gbc gbe gbg gbh gbl gbm gbu gca gcb gcc gce gcg gch gcl gcm gcu ge- gea geb gec gee geg geh gel gem geu gga ggb ggc ggg ggh ggm ggu gha ghb ghc ghe ghg ghh ghl gla glb glc gle glg glh gll glm glu gma gmb gmc gme gmg gmh gml gmm gu- gua gub guc gue gug gul gum guu haa hab hac hae hag hah hal ham hau hba hbb hbc hbe hbg hbh hbl hbm hbu hca hcb hcc hce hcg hch hcl hcm he- hea heb hec hee heg heh hel hem heu hga hgb hgc hge hgg hgh hgl hgm hgu hha hhb hhc hhe hhg hhh hhl hhm hhu hla hlb hlc hle hlg hlh hll hlm hlu hma hmb hmc hme hmg hmh hml hmm hmu hua hub huc hue hug huh hul hum huu la- laa lab lac lae lag lah lal lam lau lba lbb lbc lbe lbg lbh lbl lbm lbu lca lcb lcc lce lcg lch lcl lcm lcu lea leb lec lee leg leh lel lem leu lga lgb lgc lge lgg lgh lgl lgm lgu lha lhb lhc lhh lhu lla llb llc lle llg lll llm llu lma lmb lmc lme lmg lmh lml lmm lmu lua lub luc lue lug luh lul lum luu maa mab mac mae mag mah mal mam mau mba mbb mbc mbe mbg mbh mbl mbm mbu mc- mca mcb mcc mce mcg mch mcl mcm mcu mea meb mec mee meg meh mel mem meu mga mgb mgc mge mgh mgl mgm mgu mha mhc mhg mhh mhl mhm mhu mla mlb mlc mle mlg mlh mll mlm mlu mma mmb mmc mme mmg mmh mml mmm mmu mua mub muc mue mug muh mul mum muu ua- uaa uab uac uae uag uah ual uam uau uba ubb ubc ube ubg ubh ubl ubu uca ucb ucc uce ucg uch ucl ucm ucu uea ueb uec uee ueg ueh uel uem uga ugb ugc uge ugg ugh ugl ugm ugu uha uhb uhc uhe uhh uhl uhm uhu ula ulb ulc ule ulg ull ulm ulu um- uma umb umc ume umg umh uml umm umu uua uuc uue uug uum uuu