-al -er -ic -up a-a a-b a-c a-i aaa aab aac aae aai aal aan aap aar aau aax ab- aba abb abc abe abi abl abn abp abr abu abx ac- aca acb acc ace aci acl acn acp acr acu acx aea aeb aec aee aei ael aen aep aer aeu aex ai- aia aib aic aie aii ail ain aip air aiu aix al- ala alb alc ale ali all aln alp alr alu alx an- ana anb anc ane ani anl ann anp anr anu anx ap- apa apb apc ape api apl apn app apr apu apx ar- ara arb arc are ari arl arn arp arr aru arx au- aua aub auc aue aui aul aun aup aur aux ax- axa axe axi axl axn axp axr axx b-p b-u baa bab bac bae bai bal ban bap bar bau bax bba bbb bbc bbe bbi bbl bbn bbp bbr bbu bbx bca bcb bcc bce bci bcl bcn bcp bcr bcu bcx be- bea beb bec bee bei bel ben bep ber beu bex bi- bia bib bic bie bii bil bin bip bir biu bix bla blb blc ble bli bll bln blp blr blu blx bna bnb bnc bne bni bnl bnn bnp bnr bnu bnx bpa bpb bpc bpe bpi bpl bpn bpp bpr bpu bpx bra brb bre bri brl brn brp brr bru brx bua bub buc bue bui bul bun bup bur buu bux bxb bxi bxl bxn bxx c-- caa cab cac cae cai cal can cap car cau cax cba cbb cbc cbe cbi cbl cbn cbp cbr cbu cbx cca ccb ccc cce cci ccl ccn ccp ccr ccu ccx ce- cea ceb cec cee cei cel cen cep cer ceu cex ci- cia cib cic cie cii cil cin cip cir ciu cix cl- cla clb clc cle cli cll cln clp clr clu clx cn- cna cnb cnc cne cni cnl cnn cnp cnr cnu cnx cpa cpb cpc cpe cpi cpl cpn cpp cpr cpu cpx cra crb crc cre cri crl crn crp crr cru crx cua cub cuc cue cui cul cun cup cur cuu cxc cxi cxl cxp cxr cxx eaa eab eac eae eai eal ean eap ear eau eax eba ebb ebc ebe ebi ebl ebn ebp ebr ebu ebx ec- eca ecb ecc ece eci ecl ecn ecr ecu ecx eea eeb eec eee eel een eep eer eex eia eib eic eie eii eil ein eip eir eiu eix ela elb elc ele eli ell eln elp elr elu elx en- ena enb enc ene eni enl enn enp enr enu ep- epa epb epc epe epi epl epn epp epr epu epx era erb erc ere eri erl ern erp err eru eu- eua eub euc eue eui eul eun eup eur eux ex- exa exc exe exi exl exp exr exu exx ia- iaa iab iac iae iai ial ian iap iar iau iba ibb ibc ibe ibi ibl ibn ibp ibr ibu ibx ica icb icc ice ici icl icn icp icr icu ie- iea iec iee iei iel ien iep ier iex iia iib iic iie iii iil iin iip iir iiu iix il- ila ilb ilc ile ili ill iln ilp ilr ilu ilx in- ina inb inc ine ini inl inn inp inr inu inx ipa ipb ipc ipe ipi ipl ipn ipp ipr ipu ipx ir- ira irb irc ire iri irl irn irp irr iru irx iu- iua iub iuc iue iui iup iur ixc ixe ixi ixl ixn l-p la- laa lab lac lae lai lal lan lap lar lau lax lba lbb lbc lbe lbi lbl lbp lbr lbu lbx lca lcb lcc lce lci lcl lcn lcp lcr lcu lcx lea leb lec lee lei lel len lep ler leu lex lia lib lic lie lii lil lin lip lir liu lix lla llb llc lle lli lll lln llp llr llu lna lnb lnc lne lni lnl lnn lnp lnr lnu lpa lpb lpc lpe lpi lpl lpn lpp lpr lpu lpx lra lrb lrc lri lrn lrp lrr lru lua lub luc lue lui lul lun lup lur luu lux lxc lxi lxr lxx n-i naa nab nac nae nai nal nan nap nar nau nax nba nbb nbc nbe nbi nbl nbn nbp nbr nbu nbx nca ncb ncc nce nci ncl ncn ncp ncr ncu ncx ne- nea neb nec nee nei nel nen nep ner neu nex nia nib nic nie nii nil nin nip nir niu nix nla nlb nlc nle nli nll nln nlp nlr nlu nlx nna nnb nnc nne nni nnl nnn nnp nnu npa npb npc npe npi npl npn npp npr npu nra nrb nrc nre nri nrl nrn nrp nrr nru nrx nua nub nuc nue nui nul nun nup nur nuu nux nxc nxl p-p paa pab pac pae pai pal pan pap par pau pax pba pbb pbc pbe pbi pbl pbn pbp pbr pbu pbx pca pcb pcc pce pci pcl pcn pcp pcr pcu pcx pea peb pec pee pei pel pen pep per peu pex pia pib pic pie pii pil pin pip pir piu pix pla plb plc ple pli pll pln plp plr plu plx pn- pna pnb pnc pne pni pnl pnn pnp pnr pnu pnx ppa ppb ppc ppe ppi ppl ppn ppp ppr ppu ppx pra prb prc pre pri prl prn prp prr pru prx pua pub puc pue pui pul pun pup pur puu pxc pxe pxl pxr ra- raa rab rac rae rai ral ran rap rar rau rax rba rbb rbc rbe rbi rbl rbn rbp rbr rbu rbx rca rcb rcc rce rci rcl rcn rcp rcr rcu rcx re- rea reb rec ree rei rel ren rep rer reu rex ria rib ric rie rii ril rin rip rir rix rla rlc rle rli rll