-al -er -ic -up a-a a-b a-c a-i aaa aab aac aae aai aal aan aap aar aau ab- aba abb abc abe abi abl abn abp abr abu ac- aca acb acc ace aci acl acn acp acr acu aea aeb aec aee aei ael aen aep aer aeu ai- aia aib aic aie aii ail ain aip air aiu al- ala alb alc ale ali all aln alp alr alu an- ana anb anc ane ani anl ann anp anr anu ap- apa apb apc ape api apl apn app apr apu ar- ara arb arc are ari arl arn arp arr aru au- aua aub auc aue aui aul aun aup aur b-p b-u baa bab bac bae bai bal ban bap bar bau bba bbb bbc bbe bbi bbl bbn bbp bbr bbu bca bcb bcc bce bci bcl bcn bcp bcr bcu be- bea beb bec bee bei bel ben bep ber beu bi- bia bib bic bie bii bil bin bip bir biu bla blb blc ble bli bll bln blp blr blu bna bnb bnc bne bni bnl bnn bnp bnr bnu bpa bpb bpc bpe bpi bpl bpn bpp bpr bpu bra brb bre bri brl brn brp brr bru bua bub buc bue bui bul bun bup bur buu c-- caa cab cac cae cai cal can cap car cau cba cbb cbc cbe cbi cbl cbn cbp cbr cbu cca ccb ccc cce cci ccl ccn ccp ccr ccu ce- cea ceb cec cee cei cel cen cep cer ceu ci- cia cib cic cie cii cil cin cip cir ciu cl- cla clb clc cle cli cll cln clp clr clu cn- cna cnb cnc cne cni cnl cnn cnp cnr cnu cpa cpb cpc cpe cpi cpl cpn cpp cpr cpu cra crb crc cre cri crl crn crp crr cru cua cub cuc cue cui cul cun cup cur cuu eaa eab eac eae eai eal ean eap ear eau eba ebb ebc ebe ebi ebl ebn ebp ebr ebu ec- eca ecb ecc ece eci ecl ecn ecr ecu eea eeb eec eee eel een eep eer eia eib eic eie eii eil ein eip eir eiu ela elb elc ele eli ell eln elp elr elu en- ena enb enc ene eni enl enn enp enr enu ep- epa epb epc epe epi epl epn epp epr epu era erb erc ere eri erl ern erp err eru eu- eua eub euc eue eui eul eun eup eur ia- iaa iab iac iae iai ial ian iap iar iau iba ibb ibc ibe ibi ibl ibn ibp ibr ibu ica icb icc ice ici icl icn icp icr icu ie- iea iec iee iei iel ien iep ier iia iib iic iie iii iil iin iip iir iiu il- ila ilb ilc ile ili ill iln ilp ilr ilu in- ina inb inc ine ini inl inn inp inr inu ipa ipb ipc ipe ipi ipl ipn ipp ipr ipu ir- ira irb irc ire iri irl irn irp irr iru iu- iua iub iuc iue iui iup iur l-p la- laa lab lac lae lai lal lan lap lar lau lba lbb lbc lbe lbi lbl lbp lbr lbu lca lcb lcc lce lci lcl lcn lcp lcr lcu lea leb lec lee lei lel len lep ler leu lia lib lic lie lii lil lin lip lir liu 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 lra lrb lrc lri lrn lrp lrr lru lua lub luc lue lui lul lun lup lur luu n-i naa nab nac nae nai nal nan nap nar nau nba nbb nbc nbe nbi nbl nbn nbp nbr nbu nca ncb ncc nce nci ncl ncn ncp ncr ncu ne- nea neb nec nee nei nel nen nep ner neu nia nib nic nie nii nil nin nip nir niu nla nlb nlc nle nli nll nln nlp nlr nlu 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 nua nub nuc nue nui nul nun nup nur nuu p-p paa pab pac pae pai pal pan pap par pau pba pbb pbc pbe pbi pbl pbn pbp pbr pbu pca pcb pcc pce pci pcl pcn pcp pcr pcu pea peb pec pee pei pel pen pep per peu pia pib pic pie pii pil pin pip pir piu pla plb plc ple pli pll pln plp plr plu pn- pna pnb pnc pne pni pnl pnn pnp pnr pnu ppa ppb ppc ppe ppi ppl ppn ppp ppr ppu pra prb prc pre pri prl prn prp prr pru pua pub puc pue pui pul pun pup pur puu ra- raa rab rac rae rai ral ran rap rar rau rba rbb rbc rbe rbi rbl rbn rbp rbr rbu rca rcb rcc rce rci rcl rcn rcp rcr rcu re- rea reb rec ree rei rel ren rep rer reu ria rib ric rie rii ril rin rip rir rla rlc rle rli rll rln rlp rlr rlu rna rnb rnc rni rnn rnp rnr rnu rpa rpb rpc rpe rpi rpl rpn rpp rpr rpu rra rrb rrc rri rrl rrn rrp rrr rru rua rub ruc rue rui run rup rur ruu ua- uaa uab uac uae uai ual uan uap uar uau uba ubb ubc ube ubi ubl ubn ubp ubr ubu uca ucb ucc uce uci ucl ucn ucp ucr ucu uea ueb uec uee uei uel uen uep uer uia uib uic uie uii uil uin uip uir uiu ula ulb ulc ule uli ull uln ulp ulr ulu un- una unb unc une uni unl unn unp unr unu up- upa upb upc upe upi upn