-er -ic -up a-a a-b a-c a-i a-t aaa aab aac aae aai aan aap aar aas aat aau ab- aba abb abc abe abi abn abp abr abs abt abu ac- aca acb acc ace aci acn acp acr acs act acu aea aeb aec aee aei aen aep aer aes aet aeu ai- aia aib aic aie aii ain aip air ais ait aiu an- ana anb anc ane ani ann anp anr ans ant anu ap- apa apb apc ape api apn app apr aps apt apu ar- ara arb arc are ari arn arp arr ars art aru as- asa asb asc ase asi asn asp asr ass ast asu at- ata atb atc ate ati atn atp atr ats att atu au- aua aub auc aue aui aun aup aur aus aut b-p b-u baa bab bac bae bai ban bap bar bas bat bau bba bbb bbc bbe bbi bbn bbp bbr bbs bbt bbu bca bcb bcc bce bci bcn bcp bcr bcs bct bcu be- bea beb bec bee bei ben bep ber bes bet beu bi- bia bib bic bie bii bin bip bir bis bit biu bna bnb bnc bne bni bnn bnp bnr bns bnt bnu bpa bpb bpc bpe bpi bpn bpp bpr bps bpt bpu bra brb bre bri brn brp brr brs brt bru bsa bsb bsc bse bsi bsn bsp bsr bss bst bsu bta btb btc bte bti btn btp btr bts btt btu bua bub buc bue bui bun bup bur bus but buu c-- caa cab cac cae cai can cap car cas cat cau cba cbb cbc cbe cbi cbn cbp cbr cbs cbt cbu cca ccb ccc cce cci ccn ccp ccr ccs cct ccu ce- cea ceb cec cee cei cen cep cer ces cet ceu ci- cia cib cic cie cii cin cip cir cis cit ciu cn- cna cnb cnc cne cni cnn cnp cnr cns cnt cnu cpa cpb cpc cpe cpi cpn cpp cpr cps cpt cpu cra crb crc cre cri crn crp crr crs crt cru csa csb csc cse csi csn csp csr css cst csu cta ctb ctc cte cti ctn ctp ctr cts ctt ctu cua cub cuc cue cui cun cup cur cus cut cuu eaa eab eac eae eai ean eap ear eas eat eau eba ebb ebc ebe ebi ebn ebp ebr ebs ebt ebu ec- eca ecb ecc ece eci ecn ecr ecs ect ecu eea eeb eec eee een eep eer ees eet eia eib eic eie eii ein eip eir eis eit eiu en- ena enb enc ene eni enn enp enr ens ent enu ep- epa epb epc epe epi epn epp epr eps ept epu era erb erc ere eri ern erp err ers ert eru es- esa esb esc ese esi esn esp esr ess est esu eta etb etc ete eti etn etp etr ets ett etu eu- eua eub euc eue eui eun eup eur eus eut ia- iaa iab iac iae iai ian iap iar ias iat iau iba ibb ibc ibe ibi ibn ibp ibr ibs ibt ibu ica icb icc ice ici icn icp icr ics ict icu ie- iea iec iee iei ien iep ier ies iet iia iib iic iie iii iin iip iir iis iit iiu in- ina inb inc ine ini inn inp inr ins int inu ipa ipb ipc ipe ipi ipn ipp ipr ips ipt ipu ir- ira irb irc ire iri irn irp irr irs irt iru is- isa isb isc ise isi isn isp isr iss ist isu ita itb itc ite iti itn itp its itt itu iu- iua iub iuc iue iui iup iur ius iut n-i naa nab nac nae nai nan nap nar nas nat nau nba nbb nbc nbe nbi nbn nbp nbr nbs nbt nbu nca ncb ncc nce nci ncn ncp ncr ncs nct ncu ne- nea neb nec nee nei nen nep ner nes net neu nia nib nic nie nii nin nip nir nis nit niu nna nnb nnc nne nni nnn nnp nns nnt nnu npa npb npc npe npi npn npp npr nps npt npu nra nrb nrc nre nri nrn nrp nrr nrs nrt nru nsa nsb nsc nse nsi nsn nsp nsr nss nst nsu nta ntb ntc nte nti ntn ntp ntr nts ntt ntu nua nub nuc nue nui nun nup nur nus nut nuu p-p paa pab pac pae pai pan pap par pas pat pau pba pbb pbc pbe pbi pbn pbp pbr pbs pbt pbu pca pcb pcc pce pci pcn pcp pcr pcs pct pcu pea peb pec pee pei pen pep per pes pet peu pia pib pic pie pii pin pip pir pis pit piu pn- pna pnb pnc pne pni pnn pnp pnr pns pnt pnu ppa ppb ppc ppe ppi ppn ppp ppr pps ppt ppu pra prb prc pre pri prn prp prr prs prt pru ps- psa psb psc pse psi psn psp psr pss pst psu pt- pta ptb ptc pte pti ptn ptp ptr pts ptt ptu pua pub puc pue pui pun pup pur pus put puu ra- raa rab rac rae rai ran rap rar ras rat rau rba rbb rbc rbe rbi rbn rbp rbr rbs rbt rbu rca rcb rcc rce rci rcn rcp rcr rcs rct rcu re- rea reb rec ree rei ren rep rer res ret reu ria rib ric rie rii rin rip rir ris rit rna rnb rnc rni rnn rnp rnr rns rnt rnu rpa rpb rpc rpe rpi rpn rpp rpr rps rpt rpu rra rrb rrc rri rrn rrp rrr rrs rrt rru rsa rsb rsc rse rsi rsn rsp rsr rss rst rsu rta rtb rtc rte rti rtn rtp rtr rts rtt rtu rua rub ruc rue rui run rup rur rus rut ruu saa sab sac