-al -up a-a a-b a-c aaa aab aac aae aal aan aap aau ab- aba abb abc abe abl abn abp abu ac- aca acb acc ace acl acn acp acu aea aeb aec aee ael aen aep aeu al- ala alb alc ale all aln alp alu an- ana anb anc ane anl ann anp anu ap- apa apb apc ape apl apn app apu au- aua aub auc aue aul aun aup b-p b-u baa bab bac bae bal ban bap bau bba bbb bbc bbe bbl bbn bbp bbu bca bcb bcc bce bcl bcn bcp bcu be- bea beb bec bee bel ben bep beu bla blb blc ble bll bln blp blu bna bnb bnc bne bnl bnn bnp bnu bpa bpb bpc bpe bpl bpn bpp bpu bua bub buc bue bul bun bup buu c-- caa cab cac cae cal can cap cau cba cbb cbc cbe cbl cbn cbp cbu cca ccb ccc cce ccl ccn ccp ccu ce- cea ceb cec cee cel cen cep ceu cl- cla clb clc cle cll cln clp clu cn- cna cnb cnc cne cnl cnn cnp cnu cpa cpb cpc cpe cpl cpn cpp cpu cua cub cuc cue cul cun cup cuu eaa eab eac eae eal ean eap eau eba ebb ebc ebe ebl ebn ebp ebu ec- eca ecb ecc ece ecl ecn ecu eea eeb eec eee eel een eep ela elb elc ele ell eln elp elu en- ena enb enc ene enl enn enp enu ep- epa epb epc epe epl epn epp epu eu- eua eub euc eue eul eun eup l-p la- laa lab lac lae lal lan lap lau lba lbb lbc lbe lbl lbp lbu lca lcb lcc lce lcl lcn lcp lcu lea leb lec lee lel len lep leu lla llb llc lle lll lln llp llu lna lnb lnc lne lnl lnn lnp lnu lpa lpb lpc lpe lpl lpn lpp lpu lua lub luc lue lul lun lup luu naa nab nac nae nal nan nap nau nba nbb nbc nbe nbl nbn nbp nbu nca ncb ncc nce ncl ncn ncp ncu ne- nea neb nec nee nel nen nep neu nla nlb nlc nle nll nln nlp nlu nna nnb nnc nne nnl nnn nnp nnu npa npb npc npe npl npn npp npu nua nub nuc nue nul nun nup nuu p-p paa pab pac pae pal pan pap pau pba pbb pbc pbe pbl pbn pbp pbu pca pcb pcc pce pcl pcn pcp pcu pea peb pec pee pel pen pep peu pla plb plc ple pll pln plp plu pn- pna pnb pnc pne pnl pnn pnp pnu ppa ppb ppc ppe ppl ppn ppp ppu pua pub puc pue pul pun pup puu ua- uaa uab uac uae ual uan uap uau uba ubb ubc ube ubl ubn ubp ubu uca ucb ucc uce ucl ucn ucp ucu uea ueb uec uee uel uen uep ula ulb ulc ule ull uln ulp ulu un- una unb unc une unl unn unp unu up- upa upb upc upe upn upp upu uua uuc uue uun uuu