-al -ic a-a a-b a-c a-i a-t aaa aab aac aag aai aal aan aar aat aau ab- aba abb abc abg abi abl abn abr abt abu ac- aca acb acc acg aci acl acn acr act acu ag- aga agb agc agg agi agl agn agr agt agu ai- aia aib aic aig aii ail ain air ait aiu al- ala alb alc alg ali all aln alr alt alu an- ana anb anc ang ani anl ann anr ant anu ar- ara arb arc arg ari arl arn arr art aru at- ata atb atc atg ati atl atn atr att atu au- aua aub auc aug aui aul aun aur aut b-u baa bab bac bag bai bal ban bar bat bau bba bbb bbc bbg bbi bbl bbn bbr bbt bbu bca bcb bcc bcg bci bcl bcn bcr bct bcu bga bgb bgc bgg bgi bgl bgn bgr bgt bgu bi- bia bib bic big bii bil bin bir bit biu bla blb blc blg bli bll bln blr blt blu bna bnb bnc bng bni bnl bnn bnr bnt bnu bra brb brg bri brl brn brr brt bru bta btb btc btg bti btl btn btr btt btu bua bub buc bug bui bul bun bur but buu c-- caa cab cac cag cai cal can car cat cau cba cbb cbc cbg cbi cbl cbn cbr cbt cbu cca ccb ccc ccg cci ccl ccn ccr cct ccu cga cgb cgc cgg cgi cgl cgn cgr cgt cgu ci- cia cib cic cig cii cil cin cir cit ciu cl- cla clb clc clg cli cll cln clr clt clu cn- cna cnb cnc cng cni cnl cnn cnr cnt cnu cra crb crc crg cri crl crn crr crt cru cta ctb ctc ctg cti ctl ctn ctr ctt ctu cua cub cuc cug cui cul cun cur cut cuu gaa gab gac gag gai gal gan gar gat gau gba gbc gbg gbi gbl gbn gbr gbt gbu gca gcb gcc gcg gci gcl gcn gcr gct gcu gga ggb ggc ggg ggi ggn ggr ggt ggu gia gib gic gig gii gil gin gir git giu gla glb glc glg gli gll gln glr glt glu gna gnb gnc gni gnl gnn gnr gnt gnu gra grb grc grg gri grl grn grr grt gru gta gtb gtc gtg gti gtl gtn gtr gtt gtu gu- gua gub guc gug gui gul gun gur gut guu ia- iaa iab iac iag iai ial ian iar iat iau iba ibb ibc ibg ibi ibl ibn ibr ibt ibu ica icb icc icg ici icl icn icr ict icu iga igb igc igg igi igl ign igr igt igu iia iib iic iii iil iin iir iit iiu il- ila ilb ilc ilg ili ill iln ilr ilt ilu in- ina inb inc ing ini inl inn inr int inu ir- ira irb irc irg iri irl irn irr irt iru ita itb itc itg iti itl itn itt itu iu- iua iub iuc iug iui iur iut la- laa lab lac lag lai lal lan lar lat lau lba lbb lbc lbg lbi lbl lbr lbt lbu lca lcb lcc lcg lci lcl lcn lcr lct lcu lga lgb lgc lgg lgi lgl lgn lgr lgt lgu lia lib lic lig lii lil lin lir lit liu lla llb llc llg lli lll lln llr llt llu lna lnb lnc lng lni lnl lnn lnr lnt lnu lra lrb lrc lrg lri lrn lrr lrt lru lta ltb ltc ltg lti ltl ltr ltt ltu lua lub luc lug lui lul lun lur lut luu n-i naa nab nac nag nai nal nan nar nat nau nba nbb nbc nbg nbi nbl nbn nbr nbt nbu nca ncb ncc ncg nci ncl ncn ncr nct ncu nga ngb ngc ngg ngi ngl ngn ngt ngu nia nib nic nig nii nil nin nir nit niu nla nlb nlc nlg nli nll nln nlr nlt nlu nna nnb nnc nng nni nnl nnn nnt nnu nra nrb nrc nrg nri nrl nrn nrr nrt nru nta ntb ntc ntg nti ntn ntr ntt ntu nua nub nuc nug nui nul nun nur nut nuu ra- raa rab rac rag rai ral ran rar rat rau rba rbb rbc rbg rbi rbl rbn rbr rbt rbu rca rcb rcc rcg rci rcl rcn rcr rct rcu rga rgb rgc rgg rgi rgn rgr rgt ria rib ric rig rii ril rin rir rit rla rlc rlg rli rll rln rlr rlt rlu rna rnb rnc rng rni rnn rnr rnt rnu rra rrb rrc rrg rri rrl rrn rrr rrt rru rta rtb rtc rtg rti rtl rtn rtr rtt rtu rua rub ruc rug rui run rur rut ruu taa tab tac tag tai tal tan tar tat tau tba tbb tbc tbg tbi tbl tbn tbr tbt tbu tca tcb tcc tcg tci tcl tcn tcr tct tcu tga tgb tgc tgg tgi tgl tgn tgr tgt tgu tia tib tic tig tii til tin tir tit tiu tla tlc tlg tli tll tln tlr tlt tlu tna tnb tnc tng tni tnl tnn tnr tnt tra trb trc trg tri trl trn trr trt tru tta ttb ttc ttg tti ttl ttn ttr ttt ttu tua tub tuc tug tui tul tun tur tut tuu ua- uaa uab uac uag uai ual uan uar uat uau uba ubb ubc ubg ubi ubl ubn ubr ubt ubu uca ucb ucc ucg uci ucl ucn ucr uct ucu uga ugb ugc ugg ugi ugl ugn ugr ugt ugu uia uib uic uig uii uil uin uir uit uiu ula ulb ulc ulg uli ull uln ulr ult ulu un- una unb unc ung uni unl unn unr unt unu ur- ura urb urc urg uri url urn urr urt uru uta utb utc uti utl utn utr utt utu uua