-al a-a a-b a-c a-t aaa aab aac aae aal aam aat aau ab- aba abb abc abe abl abm abt abu ac- aca acb acc ace acl acm act acu aea aeb aec aee ael aem aet aeu al- ala alb alc ale all alm alt alu ama amb amc ame aml amm amt amu at- ata atb atc ate atl atm att atu au- aua aub auc aue aul aum aut b-u baa bab bac bae bal bam bat bau bba bbb bbc bbe bbl bbm bbt bbu bca bcb bcc bce bcl bcm bct bcu be- bea beb bec bee bel bem bet beu bla blb blc ble bll blm blt blu bma bmb bmc bme bml bmm bmt bmu bta btb btc bte btl btm btt btu bua bub buc bue bul bum but buu c-- caa cab cac cae cal cam cat cau cba cbb cbc cbe cbl cbm cbt cbu cca ccb ccc cce ccl ccm cct ccu ce- cea ceb cec cee cel cem cet ceu cl- cla clb clc cle cll clm clt clu cma cmb cmc cme cml cmm cmt cmu cta ctb ctc cte ctl ctm ctt ctu cua cub cuc cue cul cum cut cuu eaa eab eac eae eal eam eat eau eba ebb ebc ebe ebl ebm ebt ebu ec- eca ecb ecc ece ecl ecm ect ecu eea eeb eec eee eel eem eet ela elb elc ele ell elm elt elu em- ema emb emc eme eml emm emt emu eta etb etc ete etl etm ett etu eu- eua eub euc eue eul eut la- laa lab lac lae lal lam lat lau lba lbb lbc lbe lbl lbm lbt lbu lca lcb lcc lce lcl lcm lct lcu lea leb lec lee lel lem let leu lla llb llc lle lll llm llt llu lma lmb lmc lme lml lmm lmt lmu lta ltb ltc lte ltl ltm ltt ltu lua lub luc lue lul lum lut luu maa mab mac mae mal mam mat mau mba mbb mbc mbe mbl mbm mbt mbu mc- mca mcb mcc mce mcl mcm mct mcu mea meb mec mee mel mem met meu mla mlb mlc mle mll mlm mlt mlu mma mmb mmc mme mml mmm mmt mmu mta mtb mtc mte mtl mtm mtt mtu mua mub muc mue mul mum mut muu taa tab tac tae tal tam tat tau tba tbb tbc tbe tbl tbm tbt tbu tca tcb tcc tce tcl tcm tct tcu te- tea teb tec tee tel tem tet teu tla tlc tle tll tlm tlt tlu tma tmb tmc tme tml tmm tmt tmu tta ttb ttc tte ttl ttm ttt ttu tua tub tuc tue tul tum tut tuu ua- uaa uab uac uae ual uam uat uau uba ubb ubc ube ubl ubt ubu uca ucb ucc uce ucl ucm uct ucu uea ueb uec uee uel uem uet ula ulb ulc ule ull ulm ult ulu um- uma umb umc ume uml umm umt umu uta utb utc ute utl utm utt utu uua uuc uue uum uut uuu