-al -up a-a a-b a-c a-t aaa aab aac aae aal aan aap aat aau aax ab- aba abb abc abe abl abn abp abt abu abx ac- aca acb acc ace acl acn acp act acu acx aea aeb aec aee ael aen aep aet aeu aex al- ala alb alc ale all aln alp alt alu alx an- ana anb anc ane anl ann anp ant anu anx ap- apa apb apc ape apl apn app apt apu apx at- ata atb atc ate atl atn atp att atu atx au- aua aub auc aue aul aun aup aut aux ax- axa axe axl axn axp axt axx b-p b-u baa bab bac bae bal ban bap bat bau bax bba bbb bbc bbe bbl bbn bbp bbt bbu bbx bca bcb bcc bce bcl bcn bcp bct bcu bcx be- bea beb bec bee bel ben bep bet beu bex bla blb blc ble bll bln blp blt blu blx bna bnb bnc bne bnl bnn bnp bnt bnu bnx bpa bpb bpc bpe bpl bpn bpp bpt bpu bpx bta btb btc bte btl btn btp btt btu btx bua bub buc bue bul bun bup but buu bux bxb bxl bxn bxx c-- caa cab cac cae cal can cap cat cau cax cba cbb cbc cbe cbl cbn cbp cbt cbu cbx cca ccb ccc cce ccl ccn ccp cct ccu ccx ce- cea ceb cec cee cel cen cep cet ceu cex cl- cla clb clc cle cll cln clp clt clu clx cn- cna cnb cnc cne cnl cnn cnp cnt cnu cnx cpa cpb cpc cpe cpl cpn cpp cpt cpu cpx cta ctb ctc cte ctl ctn ctp ctt ctu ctx cua cub cuc cue cul cun cup cut cuu cxc cxl cxp cxt cxx eaa eab eac eae eal ean eap eat eau eax eba ebb ebc ebe ebl ebn ebp ebt ebu ebx ec- eca ecb ecc ece ecl ecn ect ecu ecx eea eeb eec eee eel een eep eet eex ela elb elc ele ell eln elp elt elu elx en- ena enb enc ene enl enn enp ent enu ep- epa epb epc epe epl epn epp ept epu epx eta etb etc ete etl etn etp ett etu etx eu- eua eub euc eue eul eun eup eut eux ex- exa exc exe exl exp ext exu exx l-p la- laa lab lac lae lal lan lap lat lau lax lba lbb lbc lbe lbl lbp lbt lbu lbx lca lcb lcc lce lcl lcn lcp lct lcu lcx lea leb lec lee lel len lep let leu lex lla llb llc lle lll lln llp llt llu lna lnb lnc lne lnl lnn lnp lnt lnu lpa lpb lpc lpe lpl lpn lpp lpt lpu lpx lta ltb ltc lte ltl ltp ltt ltu ltx lua lub luc lue lul lun lup lut luu lux lxc lxx naa nab nac nae nal nan nap nat nau nax nba nbb nbc nbe nbl nbn nbp nbt nbu nbx nca ncb ncc nce ncl ncn ncp nct ncu ncx ne- nea neb nec nee nel nen nep net neu nex nla nlb nlc nle nll nln nlp nlt nlu nlx nna nnb nnc nne nnl nnn nnp nnt nnu npa npb npc npe npl npn npp npt npu nta ntb ntc nte ntn ntp ntt ntu ntx nua nub nuc nue nul nun nup nut nuu nux nxc nxl nxt p-p paa pab pac pae pal pan pap pat pau pax pba pbb pbc pbe pbl pbn pbp pbt pbu pbx pca pcb pcc pce pcl pcn pcp pct pcu pcx pea peb pec pee pel pen pep pet peu pex pla plb plc ple pll pln plp plt plu plx pn- pna pnb pnc pne pnl pnn pnp pnt pnu pnx ppa ppb ppc ppe ppl ppn ppp ppt ppu ppx pt- pta ptb ptc pte ptl ptn ptp ptt ptu ptx pua pub puc pue pul pun pup put puu pxc pxe pxl pxt t-x taa tab tac tae tal tan tap tat tau tax tba tbb tbc tbe tbl tbn tbp tbt tbu tca tcb tcc tce tcl tcn tcp tct tcu tcx te- tea teb tec tee tel ten tep tet teu tex tla tlc tle tll tln tlp tlt tlu tlx tna tnb tnc tne tnl tnn tnp tnt tnx tpa tpb tpc tpe tpl tpn tpp tpt tpu tpx tta ttb ttc tte ttl ttn ttp ttt ttu ttx tua tub tuc tue tul tun tup tut tuu tux txe txl txn txt txu ua- uaa uab uac uae ual uan uap uat uau uba ubb ubc ube ubl ubn ubp ubt ubu ubx uca ucb ucc uce ucl ucn ucp uct ucu uea ueb uec uee uel uen uep uet ula ulb ulc ule ull uln ulp ult ulu un- una unb unc une unl unn unp unt unu unx up- upa upb upc upe upn upp upt upu upx uta utb utc ute utl utn utp utt utu utx uua uuc uue uun uut uuu uxb uxc uxt uxu xaa xac xal xan xap xat xau xbc xbe xbl xbx xcb xcl xcp xcx xee xel xen xep xet xeu xex xla xlb xlt xna xnc xnu xpa xpb xpc xpe xpl xpn xpp xpt xtc xtp xtx xue xul xun xup xxl xxp xxx