-er -ic -up a-a a-b a-c a-i aaa aab aac aae aag aai aan aap aar aau ab- aba abb abc abe abg abi abn abp abr abu ac- aca acb acc ace acg aci acn acp acr acu aea aeb aec aee aeg aei aen aep aer aeu ag- aga agb agc age agg agi agn agp agr agu ai- aia aib aic aie aig aii ain aip air aiu an- ana anb anc ane ang ani ann anp anr anu ap- apa apb apc ape apg api apn app apr apu ar- ara arb arc are arg ari arn arp arr aru au- aua aub auc aue aug aui aun aup aur b-p b-u baa bab bac bae bag bai ban bap bar bau bba bbb bbc bbe bbg bbi bbn bbp bbr bbu bca bcb bcc bce bcg bci bcn bcp bcr bcu be- bea beb bec bee beg bei ben bep ber beu bga bgb bgc bge bgg bgi bgn bgp bgr bgu bi- bia bib bic bie big bii bin bip bir biu bna bnb bnc bne bng bni bnn bnp bnr bnu bpa bpb bpc bpe bpg bpi bpn bpp bpr bpu bra brb bre brg bri brn brp brr bru bua bub buc bue bug bui bun bup bur buu c-- caa cab cac cae cag cai can cap car cau cba cbb cbc cbe cbg cbi cbn cbp cbr cbu cca ccb ccc cce ccg cci ccn ccp ccr ccu ce- cea ceb cec cee ceg cei cen cep cer ceu cga cgb cgc cge cgg cgi cgn cgp cgr cgu ci- cia cib cic cie cig cii cin cip cir ciu cn- cna cnb cnc cne cng cni cnn cnp cnr cnu cpa cpb cpc cpe cpg cpi cpn cpp cpr cpu cra crb crc cre crg cri crn crp crr cru cua cub cuc cue cug cui cun cup cur cuu eaa eab eac eae eag eai ean eap ear eau eba ebb ebc ebe ebg ebi ebn ebp ebr ebu ec- eca ecb ecc ece ecg eci ecn ecr ecu eea eeb eec eee eeg een eep eer ega egb egc ege egg egi egn egp egr egu eia eib eic eie eig eii ein eip eir eiu en- ena enb enc ene eng eni enn enp enr enu ep- epa epb epc epe epg epi epn epp epr epu era erb erc ere erg eri ern erp err eru eu- eua eub euc eue eug eui eun eup eur g-p gaa gab gac gae gag gai gan gap gar gau gba gbc gbe gbg gbi gbn gbp gbr gbu gca gcb gcc gce gcg gci gcn gcp gcr gcu ge- gea geb gec gee geg gei gen gep ger geu gga ggb ggc ggg ggi ggn ggp ggr ggu gia gib gic gie gig gii gin gip gir giu gna gnb gnc gne gni gnn gnp gnr gnu gpa gpb gpc gpe gpg gpi gpn gpp gpr gpu gra grb grc gre grg gri grn grp grr gru gu- gua gub guc gue gug gui gun gup gur guu ia- iaa iab iac iae iag iai ian iap iar iau iba ibb ibc ibe ibg ibi ibn ibp ibr ibu ica icb icc ice icg ici icn icp icr icu ie- iea iec iee ieg iei ien iep ier iga igb igc ige igg igi ign igp igr igu iia iib iic iie iii iin iip iir iiu in- ina inb inc ine ing ini inn inp inr inu ipa ipb ipc ipe ipg ipi ipn ipp ipr ipu ir- ira irb irc ire irg iri irn irp irr iru iu- iua iub iuc iue iug iui iup iur n-i naa nab nac nae nag nai nan nap nar nau nba nbb nbc nbe nbg nbi nbn nbp nbr nbu nca ncb ncc nce ncg nci ncn ncp ncr ncu ne- nea neb nec nee neg nei nen nep ner neu nga ngb ngc nge ngg ngi ngn ngp ngu nia nib nic nie nig nii nin nip nir niu nna nnb nnc nne nng nni nnn nnp nnu npa npb npc npe npg npi npn npp npr npu nra nrb nrc nre nrg nri nrn nrp nrr nru nua nub nuc nue nug nui nun nup nur nuu p-p paa pab pac pae pag pai pan pap par pau pba pbb pbc pbe pbg pbi pbn pbp pbr pbu pca pcb pcc pce pcg pci pcn pcp pcr pcu pea peb pec pee peg pei pen pep per peu pga pgb pgc pge pgg pgi pgn pgp pgr pia pib pic pie pig pii pin pip pir piu pn- pna pnb pnc pne png pni pnn pnp pnr pnu ppa ppb ppc ppe ppg ppi ppn ppp ppr ppu pra prb prc pre prg pri prn prp prr pru pua pub puc pue pug pui pun pup pur puu ra- raa rab rac rae rag rai ran rap rar rau rba rbb rbc rbe rbg rbi rbn rbp rbr rbu rca rcb rcc rce rcg rci rcn rcp rcr rcu re- rea reb rec ree reg rei ren rep rer reu rga rgb rgc rge rgg rgi rgn rgp rgr ria rib ric rie rig rii rin rip rir rna rnb rnc rng rni rnn rnp rnr rnu rpa rpb rpc rpe rpg rpi rpn rpp rpr rpu rra rrb rrc rrg rri rrn rrp rrr rru rua rub ruc rue rug rui run rup rur ruu ua- uaa uab uac uae uag uai uan uap uar uau uba ubb ubc ube ubg ubi ubn ubp ubr ubu uca ucb ucc uce ucg uci ucn ucp ucr ucu uea ueb uec uee ueg uei uen uep uer uga ugb ugc uge ugg ugi ugn ugp ugr ugu uia uib uic uie uig uii uin uip uir uiu un- una unb unc une ung uni unn unp unr unu up- upa upb upc upe upg upi upn upp