-al -up a-a a-b a-c a-t aaa aab aac aae aak aal aan aap aas aat aau ab- aba abb abc abe abk abl abn abp abs abt abu ac- aca acb acc ace ack acl acn acp acs act acu aea aeb aec aee aek ael aen aep aes aet aeu aka akb akc ake akk akl akn akp aks aku al- ala alb alc ale alk all aln alp als alt alu an- ana anb anc ane ank anl ann anp ans ant anu ap- apa apb apc ape apk apl apn app aps apt apu as- asa asb asc ase ask asl asn asp ass ast asu at- ata atb atc ate atl atn atp ats att atu au- aua aub auc aue auk aul aun aup aus aut b-p b-u baa bab bac bae bak bal ban bap bas bat bau bba bbb bbc bbe bbk bbl bbn bbp bbs bbt bbu bca bcb bcc bce bck bcl bcn bcp bcs bct bcu be- bea beb bec bee bek bel ben bep bes bet beu bka bkb bkc bke bkk bkl bkn bkp bks bkt bla blb blc ble blk bll bln blp bls blt blu bna bnb bnc bne bnk bnl bnn bnp bns bnt bnu bpa bpb bpc bpe bpl bpn bpp bps bpt bpu bsa bsb bsc bse bsk bsl bsn bsp bss bst bsu bta btb btc bte btk btl btn btp bts btt btu bua bub buc bue buk bul bun bup bus but buu c-- caa cab cac cae cak cal can cap cas cat cau cba cbb cbc cbe cbk cbl cbn cbp cbs cbt cbu cca ccb ccc cce cck ccl ccn ccp ccs cct ccu ce- cea ceb cec cee cek cel cen cep ces cet ceu cka ckb ckc cks ckt cl- cla clb clc cle clk cll cln clp cls clt clu cn- cna cnb cnc cne cnl cnn cnp cns cnt cnu cpa cpb cpc cpe cpk cpl cpn cpp cps cpt cpu csa csb csc cse csk csl csn csp css cst csu cta ctb ctc cte ctk ctl ctn ctp cts ctt ctu cua cub cuc cue cuk cul cun cup cus cut cuu eaa eab eac eae eak eal ean eap eas eat eau eba ebb ebc ebe ebk ebl ebn ebp ebs ebt ebu ec- eca ecb ecc ece eck ecl ecn ecs ect ecu eea eeb eec eee eek eel een eep ees eet eka ekb ekc eke ekl ekp eks ekt eku ela elb elc ele elk ell eln elp els elt elu en- ena enb enc ene enk enl enn enp ens ent enu ep- epa epb epc epe epl epn epp eps ept epu es- esa esb esc ese esk esl esn esp ess est esu eta etb etc ete etk etl etn etp ets ett etu eu- eua eub euc eue eul eun eup eus eut k-t ka- kaa kab kac kae kak kal kan kap kas kat kau kba kbb kbc kbe kbk kbl kbn kbp kbs kbu kca kcb kcc kce kck kcl kcn kcp kcs kct kcu ke- kea keb kec kee kek kel ken kep kes ket kkb kkc kke kkk kkl kkn kkp kks kkt kku kl- kla klb klc kls klt klu kn- kna knc kne knk knl knn knp knt knu kpa kpc kpe kpk kpl kpn kpp kps kpt kpu ksa ksb ksc kse ksk ksl ksn ksp kss kst ksu kta ktb ktc kte ktk ktl ktn ktp kts ktt ktu kub kuc kue kuk kul kun kup kus kut kuu l-p la- laa lab lac lae lak lal lan lap las lat lau lba lbb lbc lbe lbk lbl lbp lbs lbt lbu lca lcb lcc lce lck lcl lcn lcp lcs lct lcu lea leb lec lee lek lel len lep les let leu lka lkb lkl lkp lks lkt lla llb llc lle llk lll lln llp lls llt llu lna lnb lnc lne lnk lnl lnn lnp lns lnt lnu lpa lpb lpc lpe lpk lpl lpn lpp lps lpt lpu lsa lsb lsc lse lsk lsl lsn lsp lss lst lsu lta ltb ltc lte ltk ltl ltp lts ltt ltu lua lub luc lue luk lul lun lup lus lut luu naa nab nac nae nak nal nan nap nas nat nau nba nbb nbc nbe nbk nbl nbn nbp nbs nbt nbu nca ncb ncc nce nck ncl ncn ncp ncs nct ncu ne- nea neb nec nee nek nel nen nep nes net neu nka nkc nke nkk nkn nkp nks nkt nku nla nlb nlc nle nlk nll nln nlp nls nlt nlu nna nnb nnc nne nnk nnl nnn nnp nns nnt nnu npa npb npc npe npl npn npp nps npt npu nsa nsb nsc nse nsk nsl nsn nsp nss nst nsu nta ntb ntc nte ntk ntn ntp nts ntt ntu nua nub nuc nue nuk nul nun nup nus nut nuu p-p paa pab pac pae pak pal pan pap pas pat pau pba pbb pbc pbe pbk pbl pbn pbp pbs pbt pbu pca pcb pcc pce pck pcl pcn pcp pcs pct pcu pea peb pec pee pek pel pen pep pes pet peu pka pkb pkc pke pkl pkn pkp pks pkt pku pla plb plc ple plk pll pln plp pls plt plu pn- pna pnb pnc pne pnk pnl pnn pnp pns pnt pnu ppa ppb ppc ppe ppk ppl ppn ppp pps ppt ppu ps- psa psb psc pse psk psl psn psp pss pst psu pt- pta ptb ptc pte ptk ptl ptn ptp pts ptt ptu pua pub puc pue puk pul pun pup pus put puu saa sab sac sae sak sal san sap sas sat sau sba sbb sbc sbe sbk sbl sbn sbp sbs sbt sbu sca scb scc sce sck scl scn scp scs sct scu se- sea seb sec