-al -ol a-a a-b a-c a-t aaa aab aac aae aak aal aam aao aat aau ab- aba abb abc abe abk abl abm abo abt abu ac- aca acb acc ace ack acl acm aco act acu aea aeb aec aee aek ael aem aeo aet aeu aka akb akc ake akk akl akm ako aku al- ala alb alc ale alk all alm alo alt alu ama amb amc ame amk aml amm amo amt amu aoa aob aoc aoe aok aol aom aoo aot aou at- ata atb atc ate atl atm ato att atu au- aua aub auc aue auk aul aum auo aut b-u baa bab bac bae bak bal bam bao bat bau bba bbb bbc bbe bbk bbl bbm bbo bbt bbu bca bcb bcc bce bck bcl bcm bco bct bcu be- bea beb bec bee bek bel bem beo bet beu bka bkb bkc bke bkk bkl bkm bko bkt bla blb blc ble blk bll blm blo blt blu bma bmb bmc bme bmk bml bmm bmo bmt bmu boa bob boc boe bok bol bom boo bot bou bta btb btc bte btk btl btm bto btt btu bua bub buc bue buk bul bum buo but buu c-- caa cab cac cae cak cal cam cao cat cau cba cbb cbc cbe cbk cbl cbm cbo cbt cbu cca ccb ccc cce cck ccl ccm cco cct ccu ce- cea ceb cec cee cek cel cem ceo cet ceu cka ckb ckc ckm cko ckt cl- cla clb clc cle clk cll clm clo clt clu cma cmb cmc cme cmk cml cmm cmo cmt cmu co- coa cob coc coe cok col com coo cot cou cta ctb ctc cte ctk ctl ctm cto ctt ctu cua cub cuc cue cuk cul cum cuo cut cuu eaa eab eac eae eak eal eam eao eat eau eba ebb ebc ebe ebk ebl ebm ebo ebt ebu ec- eca ecb ecc ece eck ecl ecm eco ect ecu eea eeb eec eee eek eel eem eeo eet eka ekb ekc eke ekl eko ekt eku ela elb elc ele elk ell elm elo elt elu em- ema emb emc eme emk eml emm emo emt emu eo- eoa eob eoc eoe eok eol eom eoo eot eou eta etb etc ete etk etl etm eto ett etu eu- eua eub euc eue eul eut k-t ka- kaa kab kac kae kak kal kam kao kat kau kba kbb kbc kbe kbk kbl kbm kbo kbu kca kcb kcc kce kck kcl kcm kct kcu ke- kea keb kec kee kek kel kem keo ket kkb kkc kke kkk kkl kkm kkt kku kl- kla klb klc klm klo klt klu kma kmb kmc kme kmk kml kmm kmo kmt kmu koa kob koc koe kok kol kom koo kot kou kta ktb ktc kte ktk ktl ktm kto ktt ktu kub kuc kue kuk kul kum kut kuu la- laa lab lac lae lak lal lam lao lat lau lba lbb lbc lbe lbk lbl lbm lbo lbt lbu lca lcb lcc lce lck lcl lcm lco lct lcu lea leb lec lee lek lel lem leo let leu lka lkb lkl lkt lla llb llc lle llk lll llm llo llt llu lma lmb lmc lme lmk lml lmm lmo lmt lmu loa lob loc loe lok lol lom loo lot lou lta ltb ltc lte ltk ltl ltm lto ltt ltu lua lub luc lue luk lul lum luo lut luu m-o maa mab mac mae mak mal mam mao mat mau mba mbb mbc mbe mbk mbl mbm mbo mbt mbu mc- mca mcb mcc mce mck mcl mcm mco mct mcu mea meb mec mee mek mel mem meo met meu mka mkb mkc mke mkk mkl mkm mko mkt mku mla mlb mlc mle mlk mll mlm mlo mlt mlu mma mmb mmc mme mmk mml mmm mmo mmt mmu moa mob moc moe mok mol mom moo mot mou mta mtb mtc mte mtk mtl mtm mto mtt mtu mua mub muc mue muk mul mum mut muu oaa oab oac oae oak oal oam oao oat oau ob- oba obb obc obe obk obl obm obo obt obu oc- oca ocb occ ock ocl ocm oco oct ocu oea oeb oec oee oel oem oeo oet oka okb okc oke okk okl oko oku ola olb olc ole olk oll olm olo olt olu om- oma omb omc ome oml omm omo omt omu oo- ooa oob ooc ook ool oom ooo oot ot- ota otb otc ote otk otl otm oto ott otu ou- oua ouc oue ouk oul oum ouo out taa tab tac tae tak tal tam tao tat tau tba tbb tbc tbe tbk tbl tbm tbo tbt tbu tca tcb tcc tce tck tcl tcm tco tct tcu te- tea teb tec tee tek tel tem teo tet teu tka tkb tkc tke tkk tkl tkm tko tkt tla tlc tle tlk tll tlm tlo tlt tlu tma tmb tmc tme tmk tml tmm tmo tmt tmu to- toa tob toc toe tok tol tom too tot tou tta ttb ttc tte ttk ttl ttm tto ttt ttu tua tub tuc tue tuk tul tum tuo tut tuu ua- uaa uab uac uae uak ual uam uao uat uau uba ubb ubc ube ubk ubl ubo ubt ubu uca ucb ucc uce uck ucl ucm uco uct ucu uea ueb uec uee uel uem uet uka ukb ukc uke ukk ukl uku ula ulb ulc ule ulk ull ulm ulo ult ulu um- uma umb umc ume uml umm umo umt umu uoa uob uoc uoe uok uol uom uoo uot uta utb utc ute utk utl utm uto utt utu uua uuc uue uum uut uuu