-al -ol a-a a-b a-c a-t aaa aab aac aae aal aao aat aau aav ab- aba abb abc abe abl abo abt abu abv ac- aca acb acc ace acl aco act acu acv aea aeb aec aee ael aeo aet aeu aev al- ala alb alc ale all alo alt alu alv aoa aob aoc aoe aol aoo aot aou aov at- ata atb atc ate atl ato att atu atv au- aua aub auc aue aul auo aut auv av- ava avb avc ave avl avo avt avu b-u baa bab bac bae bal bao bat bau bav bba bbb bbc bbe bbl bbo bbt bbu bca bcb bcc bce bcl bco bct bcu bcv be- bea beb bec bee bel beo bet beu bev bla blb blc ble bll blo blt blu blv boa bob boc boe bol boo bot bou bov bta btb btc bte btl bto btt btu btv bua bub buc bue bul buo but buu bva bvb bvc bve bvl bvo bvt bvu bvv c-- caa cab cac cae cal cao cat cau cav cba cbb cbc cbe cbl cbo cbt cbu cbv cca ccb ccc cce ccl cco cct ccu ccv ce- cea ceb cec cee cel ceo cet ceu cev cl- cla clb clc cle cll clo clt clu clv co- coa cob coc coe col coo cot cou cov cta ctb ctc cte ctl cto ctt ctu ctv cua cub cuc cue cul cuo cut cuu cuv cva cvb cvc cve cvl cvo cvt cvu cvv eaa eab eac eae eal eao eat eau eav eba ebb ebc ebe ebl ebo ebt ebu ebv ec- eca ecb ecc ece ecl eco ect ecu ecv eea eeb eec eee eel eeo eet eev ela elb elc ele ell elo elt elu elv eo- eoa eob eoc eoe eol eoo eot eou eta etb etc ete etl eto ett etu etv eu- eua eub euc eue eul eut euv eva evb evc eve evl evo evt evv la- laa lab lac lae lal lao lat lau lav lba lbb lbc lbe lbl lbo lbt lbu lbv lca lcb lcc lce lcl lco lct lcu lcv lea leb lec lee lel leo let leu lev lla llb llc lle lll llo llt llu llv loa lob loc loe lol loo lot lou lov lta ltb ltc lte ltl lto ltt ltu ltv lua lub luc lue lul luo lut luu luv lva lvb lvc lve lvl lvt lvv oaa oab oac oae oal oao oat oau oav ob- oba obb obc obe obl obo obt obu obv oc- oca ocb occ ocl oco oct ocu ocv oea oeb oec oee oel oeo oet ola olb olc ole oll olo olt olu oo- ooa oob ooc ool ooo oot oov ot- ota otb otc ote otl oto ott otu otv ou- oua ouc oue oul ouo out ov- ova ovb ovc ove ovl ovo ovv taa tab tac tae tal tao tat tau tav tba tbb tbc tbe tbl tbo tbt tbu tbv tca tcb tcc tce tcl tco tct tcu tcv te- tea teb tec tee tel teo tet teu tev tla tlc tle tll tlo tlt tlu tlv to- toa tob toc toe tol too tot tou tov tta ttb ttc tte ttl tto ttt ttu ttv tua tub tuc tue tul tuo tut tuu tuv tva tvb tvc tve tvl tvo tvt tvu ua- uaa uab uac uae ual uao uat uau uav uba ubb ubc ube ubl ubo ubt ubu ubv uca ucb ucc uce ucl uco uct ucu ucv uea ueb uec uee uel uet ula ulb ulc ule ull ulo ult ulu ulv uoa uob uoc uoe uol uoo uot uta utb utc ute utl uto utt utu utv uua uuc uue uut uuu uva uvb uvc uve uvl uvo uvu uvv v-a v-e vaa vab vac vae val vao vat vau vav vba vbc vbl vbo vbv vca vcc vce vcl vco vct vcu vea veb vec vee vel veo vet veu vl- vla vlb vlc vle vll vlo vlt vlv voa vob voc voe vol voo vot vou vov vta vtb vtc vte vtl vto vtt vtu vtv vue vul vut vuv vva vvb vvc vvo vvt vvv