-al -ol -up a-a a-b a-c a-t aaa aab aac aag aal aao aap aat aau ab- aba abb abc abg abl abo abp abt abu ac- aca acb acc acg acl aco acp act acu ag- aga agb agc agg agl ago agp agt agu al- ala alb alc alg all alo alp alt alu aoa aob aoc aog aol aoo aop aot aou ap- apa apb apc apg apl apo app apt apu at- ata atb atc atg atl ato atp att atu au- aua aub auc aug aul auo aup aut b-p b-u baa bab bac bag bal bao bap bat bau bba bbb bbc bbg bbl bbo bbp bbt bbu bca bcb bcc bcg bcl bco bcp bct bcu bga bgb bgc bgg bgl bgo bgp bgt bgu bla blb blc blg bll blo blp blt blu boa bob boc bog bol boo bop bot bou bpa bpb bpc bpg bpl bpo bpp bpt bpu bta btb btc btg btl bto btp btt btu bua bub buc bug bul buo bup but buu c-- caa cab cac cag cal cao cap cat cau cba cbb cbc cbg cbl cbo cbp cbt cbu cca ccb ccc ccg ccl cco ccp cct ccu cga cgb cgc cgg cgl cgo cgp cgt cgu cl- cla clb clc clg cll clo clp clt clu co- coa cob coc cog col coo cop cot cou cpa cpb cpc cpg cpl cpo cpp cpt cpu cta ctb ctc ctg ctl cto ctp ctt ctu cua cub cuc cug cul cuo cup cut cuu g-p gaa gab gac gag gal gao gap gat gau gba gbc gbg gbl gbo gbp gbt gbu gca gcb gcc gcg gcl gco gcp gct gcu gga ggb ggc ggg ggo ggp ggt ggu gla glb glc glg gll glo glp glt glu goa gob goc gog gol goo gop got gou gpa gpb gpc gpg gpl gpo gpp gpt gpu gta gtb gtc gtg gtl gto gtp gtt gtu gu- gua gub guc gug gul guo gup gut guu l-p la- laa lab lac lag lal lao lap lat lau lba lbb lbc lbg lbl lbo lbp lbt lbu lca lcb lcc lcg lcl lco lcp lct lcu lga lgb lgc lgg lgl lgo lgp lgt lgu lla llb llc llg lll llo llp llt llu loa lob loc log lol loo lop lot lou lpa lpb lpc lpg lpl lpo lpp lpt lpu lta ltb ltc ltg ltl lto ltp ltt ltu lua lub luc lug lul luo lup lut luu oaa oab oac oag oal oao oap oat oau ob- oba obb obc obg obl obo obp obt obu oc- oca ocb occ ocg ocl oco ocp oct ocu oga ogc ogg ogl ogo ogp ogt ola olb olc olg oll olo olp olt olu oo- ooa oob ooc oog ool ooo oop oot op- opa opb opc opg opl opo opp opt ot- ota otb otc otg otl oto otp ott otu ou- oua ouc oul ouo oup out p-p paa pab pac pag pal pao pap pat pau pba pbb pbc pbg pbl pbo pbp pbt pbu pca pcb pcc pcg pcl pco pcp pct pcu pga pgb pgc pgg pgl pgo pgp pgt pla plb plc plg pll plo plp plt plu poa pob poc pog pol poo pop pot pou ppa ppb ppc ppg ppl ppo ppp ppt ppu pt- pta ptb ptc ptg ptl pto ptp ptt ptu pua pub puc pug pul pup put puu taa tab tac tag tal tao tap tat tau tba tbb tbc tbg tbl tbo tbp tbt tbu tca tcb tcc tcg tcl tco tcp tct tcu tga tgb tgc tgg tgl tgo tgp tgt tgu tla tlc tlg tll tlo tlp tlt tlu to- toa tob toc tog tol too top tot tou tpa tpb tpc tpg tpl tpo tpp tpt tpu tta ttb ttc ttg ttl tto ttp ttt ttu tua tub tuc tug tul tuo tup tut tuu ua- uaa uab uac uag ual uao uap uat uau uba ubb ubc ubg ubl ubo ubp ubt ubu uca ucb ucc ucg ucl uco ucp uct ucu uga ugb ugc ugg ugl ugo ugp ugt ugu ula ulb ulc ulg ull ulo ulp ult ulu uoa uob uoc uog uol uoo uop uot up- upa upb upc upg upo upp upt upu uta utb utc utl uto utp utt utu uua uuc uug uut uuu

aaaa aaab aaac aaal aaap aaba aabb aabc aabl aabp aabt aaca aacb aacc aacl aaco aacp aact aacu aala aalc aall aalo aalu aaoo aapa aapc aapl aapo aapt aata aatc aatt aaup abaa abab abac abag abal abap abat abau abb- abba abbb abbo abbt abca abcb abcc abcl abcp abct abgl abla ablo aboa abob abol aboo abot abou abpa abpc abpp abta abtu abua abug abul abut ac-t acaa acab acac acag acap acat acba acbl acca accc acco accp acct accu acga acla aclc aclu acoa acog acol acop acot acou acpa acpt acpu acta actc actg actl acto actt actu acu- acul acuo acup acut ag-o agac agag agal agao agap agat agau agba agbo agca agcc agco agct agga aggu agla aglc aglp aglu agob agog agol agoo agot agou agpl agta agua agul agut al-p alaa alac alag alal alao alap alat alau alb- alba albc albo albu alca alcc alco alg- alga algo all- alla alll allo allu aloa aloc alog alol aloo alop alot alou alpa alpg alpl alpo alpu alta alto alua alug alut aoba aoca aola aopo aotc aoul aout apac apal apao apap apat apba apbg apca apcb apcc apco apga apl- apla aplp aplu apo- apoc apoo apop apot apou appa appc appl appt appu apta aptc aptt apua apuc apug apup at-l at-t ataa atab atac atal atap atat atca atcc atcl atco atgo atla atlo atob atoc atol atop atot atta atto attp attu atua atub atuc atug atul auaa auca