-al -ol a-a a-b a-c aaa aab aac aae aal aam aao aau ab- aba abb abc abe abl abm abo abu ac- aca acb acc ace acl acm aco acu aea aeb aec aee ael aem aeo aeu al- ala alb alc ale all alm alo alu ama amb amc ame aml amm amo amu aoa aob aoc aoe aol aom aoo aou au- aua aub auc aue aul aum auo b-u baa bab bac bae bal bam bao bau bba bbb bbc bbe bbl bbm bbo bbu bca bcb bcc bce bcl bcm bco bcu be- bea beb bec bee bel bem beo beu bla blb blc ble bll blm blo blu bma bmb bmc bme bml bmm bmo bmu boa bob boc boe bol bom boo bou bua bub buc bue bul bum buo buu c-- caa cab cac cae cal cam cao cau cba cbb cbc cbe cbl cbm cbo cbu cca ccb ccc cce ccl ccm cco ccu ce- cea ceb cec cee cel cem ceo ceu cl- cla clb clc cle cll clm clo clu cma cmb cmc cme cml cmm cmo cmu co- coa cob coc coe col com coo cou cua cub cuc cue cul cum cuo cuu eaa eab eac eae eal eam eao eau eba ebb ebc ebe ebl ebm ebo ebu ec- eca ecb ecc ece ecl ecm eco ecu eea eeb eec eee eel eem eeo ela elb elc ele ell elm elo elu em- ema emb emc eme eml emm emo emu eo- eoa eob eoc eoe eol eom eoo eou eu- eua eub euc eue eul la- laa lab lac lae lal lam lao lau lba lbb lbc lbe lbl lbm lbo lbu lca lcb lcc lce lcl lcm lco lcu lea leb lec lee lel lem leo leu lla llb llc lle lll llm llo llu lma lmb lmc lme lml lmm lmo lmu loa lob loc loe lol lom loo lou lua lub luc lue lul lum luo luu m-o maa mab mac mae mal mam mao mau mba mbb mbc mbe mbl mbm mbo mbu mc- mca mcb mcc mce mcl mcm mco mcu mea meb mec mee mel mem meo meu mla mlb mlc mle mll mlm mlo mlu mma mmb mmc mme mml mmm mmo mmu moa mob moc moe mol mom moo mou mua mub muc mue mul mum muu oaa oab oac oae oal oam oao oau ob- oba obb obc obe obl obm obo obu oc- oca ocb occ ocl ocm oco ocu oea oeb oec oee oel oem oeo ola olb olc ole oll olm olo olu om- oma omb omc ome oml omm omo omu oo- ooa oob ooc ool oom ooo ou- oua ouc oue oul oum ouo ua- uaa uab uac uae ual uam uao uau uba ubb ubc ube ubl ubo ubu uca ucb ucc uce ucl ucm uco ucu uea ueb uec uee uel uem ula ulb ulc ule ull ulm ulo ulu um- uma umb umc ume uml umm umo umu uoa uob uoc uoe uol uom uoo uua uuc uue uum uuu