-al -er -up a-a a-b a-c a-t aaa aab aac aae aal aan aap aar aas aat aau ab- aba abb abc abe abl abn abp abr abs abt abu ac- aca acb acc ace acl acn acp acr acs act acu aea aeb aec aee ael aen aep aer aes aet aeu al- ala alb alc ale all aln alp alr als alt alu an- ana anb anc ane anl ann anp anr ans ant anu ap- apa apb apc ape apl apn app apr aps apt apu ar- ara arb arc are arl arn arp arr ars art aru as- asa asb asc ase asl asn asp asr ass ast asu at- ata atb atc ate atl atn atp atr ats att atu au- aua aub auc aue aul aun aup aur aus aut b-p b-u baa bab bac bae bal ban bap bar bas bat bau bba bbb bbc bbe bbl bbn bbp bbr bbs bbt bbu bca bcb bcc bce bcl bcn bcp bcr bcs bct bcu be- bea beb bec bee bel ben bep ber bes bet beu bla blb blc ble bll bln blp blr bls blt blu bna bnb bnc bne bnl bnn bnp bnr bns bnt bnu bpa bpb bpc bpe bpl bpn bpp bpr bps bpt bpu bra brb bre brl brn brp brr brs brt bru bsa bsb bsc bse bsl bsn bsp bsr bss bst bsu bta btb btc bte btl btn btp btr bts btt btu bua bub buc bue bul bun bup bur bus but buu c-- caa cab cac cae cal can cap car cas cat cau cba cbb cbc cbe cbl cbn cbp cbr cbs cbt cbu cca ccb ccc cce ccl ccn ccp ccr ccs cct ccu ce- cea ceb cec cee cel cen cep cer ces cet ceu cl- cla clb clc cle cll cln clp clr cls clt clu cn- cna cnb cnc cne cnl cnn cnp cnr cns cnt cnu cpa cpb cpc cpe cpl cpn cpp cpr cps cpt cpu cra crb crc cre crl crn crp crr crs crt cru csa csb csc cse csl csn csp csr css cst csu cta ctb ctc cte ctl ctn ctp ctr cts ctt ctu cua cub cuc cue cul cun cup cur cus cut cuu eaa eab eac eae eal ean eap ear eas eat eau eba ebb ebc ebe ebl ebn ebp ebr ebs ebt ebu ec- eca ecb ecc ece ecl ecn ecr ecs ect ecu eea eeb eec eee eel een eep eer ees eet ela elb elc ele ell eln elp elr els elt elu en- ena enb enc ene enl enn enp enr ens ent enu ep- epa epb epc epe epl epn epp epr eps ept epu era erb erc ere erl ern erp err ers ert eru es- esa esb esc ese esl esn esp esr ess est esu eta etb etc ete etl etn etp etr ets ett etu eu- eua eub euc eue eul eun eup eur eus eut l-p la- laa lab lac lae lal lan lap lar las lat lau lba lbb lbc lbe lbl lbp lbr lbs lbt lbu lca lcb lcc lce lcl lcn lcp lcr lcs lct lcu lea leb lec lee lel len lep ler les let leu lla llb llc lle lll lln llp llr lls llt llu lna lnb lnc lne lnl lnn lnp lnr lns lnt lnu lpa lpb lpc lpe lpl lpn lpp lpr lps lpt lpu lra lrb lrc lrn lrp lrr lrs lrt lru lsa lsb lsc lse lsl lsn lsp lsr lss lst lsu lta ltb ltc lte ltl ltp ltr lts ltt ltu lua lub luc lue lul lun lup lur lus lut luu naa nab nac nae nal nan nap nar nas nat nau nba nbb nbc nbe nbl nbn nbp nbr nbs nbt nbu nca ncb ncc nce ncl ncn ncp ncr ncs nct ncu ne- nea neb nec nee nel nen nep ner nes net neu nla nlb nlc nle nll nln nlp nlr nls nlt nlu nna nnb nnc nne nnl nnn nnp nns nnt nnu npa npb npc npe npl npn npp npr nps npt npu nra nrb nrc nre nrl nrn nrp nrr nrs nrt nru nsa nsb nsc nse nsl nsn nsp nsr nss nst nsu nta ntb ntc nte ntn ntp ntr nts ntt ntu nua nub nuc nue nul nun nup nur nus nut nuu p-p paa pab pac pae pal pan pap par pas pat pau pba pbb pbc pbe pbl pbn pbp pbr pbs pbt pbu pca pcb pcc pce pcl pcn pcp pcr pcs pct pcu pea peb pec pee pel pen pep per pes pet peu pla plb plc ple pll pln plp plr pls plt plu pn- pna pnb pnc pne pnl pnn pnp pnr pns pnt pnu ppa ppb ppc ppe ppl ppn ppp ppr pps ppt ppu pra prb prc pre prl prn prp prr prs prt pru ps- psa psb psc pse psl psn psp psr pss pst psu pt- pta ptb ptc pte ptl ptn ptp ptr pts ptt ptu pua pub puc pue pul pun pup pur pus put puu ra- raa rab rac rae ral ran rap rar ras rat rau rba rbb rbc rbe rbl rbn rbp rbr rbs rbt rbu rca rcb rcc rce rcl rcn rcp rcr rcs rct rcu re- rea reb rec ree rel ren rep rer res ret reu rla rlc rle rll rln rlp rlr rls rlt rlu rna rnb rnc rnn rnp rnr rns rnt rnu rpa rpb rpc rpe rpl rpn rpp rpr rps rpt rpu rra rrb rrc rrl rrn rrp rrr rrs rrt rru rsa rsb rsc rse rsl rsn rsp rsr rss rst rsu rta rtb rtc rte rtl rtn rtp rtr rts rtt rtu rua rub ruc rue run rup rur rus rut ruu saa sab sac sae sal san sap sar sas sat sau