-er -ic -up a-a a-b a-c a-i aaa aab aac aae aaf aai aan aap aar aas aau ab- aba abb abc abe abf abi abn abp abr abs abu ac- aca acb acc ace acf aci acn acp acr acs acu aea aeb aec aee aef aei aen aep aer aes aeu af- afa afb afc afe aff afi afn afp afr afs afu ai- aia aib aic aie aif aii ain aip air ais aiu an- ana anb anc ane anf ani ann anp anr ans anu ap- apa apb apc ape apf api apn app apr aps apu ar- ara arb arc are arf ari arn arp arr ars aru as- asa asb asc ase asf asi asn asp asr ass asu au- aua aub auc aue auf aui aun aup aur aus b-p b-u baa bab bac bae baf bai ban bap bar bas bau bba bbb bbc bbe bbf bbi bbn bbp bbr bbs bbu bca bcb bcc bce bcf bci bcn bcp bcr bcs bcu be- bea beb bec bee bef bei ben bep ber bes beu bfa bfb bfc bfe bff bfi bfn bfp bfr bfs bfu bi- bia bib bic bie bif bii bin bip bir bis biu bna bnb bnc bne bnf bni bnn bnp bnr bns bnu bpa bpb bpc bpe bpf bpi bpn bpp bpr bps bpu bra brb bre brf bri brn brp brr brs bru bsa bsb bsc bse bsf bsi bsn bsp bsr bss bsu bua bub buc bue buf bui bun bup bur bus buu c-- caa cab cac cae caf cai can cap car cas cau cba cbb cbc cbe cbf cbi cbn cbp cbr cbs cbu cca ccb ccc cce ccf cci ccn ccp ccr ccs ccu ce- cea ceb cec cee cef cei cen cep cer ces ceu cfa cfb cfc cfe cff cfi cfn cfp cfr cfs cfu ci- cia cib cic cie cif cii cin cip cir cis ciu cn- cna cnb cnc cne cnf cni cnn cnp cnr cns cnu cpa cpb cpc cpe cpf cpi cpn cpp cpr cps cpu cra crb crc cre crf cri crn crp crr crs cru csa csb csc cse csf csi csn csp csr css csu cua cub cuc cue cuf cui cun cup cur cus cuu eaa eab eac eae eaf eai ean eap ear eas eau eba ebb ebc ebe ebf ebi ebn ebp ebr ebs ebu ec- eca ecb ecc ece ecf eci ecn ecr ecs ecu eea eeb eec eee eef een eep eer ees ef- efa efb efc efe eff efi efp efr efs eia eib eic eie eif eii ein eip eir eis eiu en- ena enb enc ene enf eni enn enp enr ens enu ep- epa epb epc epe epf epi epn epp epr eps epu era erb erc ere erf eri ern erp err ers eru es- esa esb esc ese esf esi esn esp esr ess esu eu- eua eub euc eue euf eui eun eup eur eus faa fab fac fae faf fai fan fap far fas fau fba fbb fbc fbe fbf fbi fbn fbp fbr fbs fbu fca fcb fcc fce fcf fci fcn fcp fcr fcs fcu fea feb fec fee fef fei fen fep fer fes feu ffa ffc ffe fff ffi ffn ffp ffr ffs ffu fia fib fic fie fif fii fin fip fir fis fiu fna fnb fnc fne fnf fni fnn fnp fnr fns fnu fpa fpb fpc fpe fpi fpn fpp fpr fps fpu fra frb frc fre frf fri frn frp frr frs fru fsa fsb fsc fse fsf fsi fsn fsp fsr fss fsu fua fub fue fuf fui fun fup fur fus fuu i-f ia- iaa iab iac iae iaf iai ian iap iar ias iau iba ibb ibc ibe ibf ibi ibn ibp ibr ibs ibu ica icb icc ice icf ici icn icp icr ics icu ie- iea iec iee ief iei ien iep ier ies ifa ifb ifc ife iff ifi ifn ifp ifr ifs ifu iia iib iic iie iif iii iin iip iir iis iiu in- ina inb inc ine inf ini inn inp inr ins inu ipa ipb ipc ipe ipf ipi ipn ipp ipr ips ipu ir- ira irb irc ire irf iri irn irp irr irs iru is- isa isb isc ise isf isi isn isp isr iss isu iu- iua iub iuc iue iui iup iur ius n-i naa nab nac nae naf nai nan nap nar nas nau nba nbb nbc nbe nbf nbi nbn nbp nbr nbs nbu nca ncb ncc nce ncf nci ncn ncp ncr ncs ncu ne- nea neb nec nee nef nei nen nep ner nes neu nfa nfb nfc nfe nff nfi nfn nfp nfr nfs nfu nia nib nic nie nif nii nin nip nir nis niu nna nnb nnc nne nnf nni nnn nnp nns nnu npa npb npc npe npf npi npn npp npr nps npu nra nrb nrc nre nrf nri nrn nrp nrr nrs nru nsa nsb nsc nse nsf nsi nsn nsp nsr nss nsu nua nub nuc nue nui nun nup nur nus nuu p-p paa pab pac pae paf pai pan pap par pas pau pba pbb pbc pbe pbf pbi pbn pbp pbr pbs pbu pca pcb pcc pce pcf pci pcn pcp pcr pcs pcu pea peb pec pee pef pei pen pep per pes peu pfa pfb pfc pfe pff pfi pfn pfp pfr pfs pfu pia pib pic pie pif pii pin pip pir pis piu pn- pna pnb pnc pne pnf pni pnn pnp pnr pns pnu ppa ppb ppc ppe ppf ppi ppn ppp ppr pps ppu pra prb prc pre prf pri prn prp prr prs pru ps- psa psb psc pse psf psi psn psp psr pss psu pua pub puc pue puf pui pun pup pur pus puu ra- raa rab rac rae raf rai ran