-er -up a-a a-b a-i a-t aaa aab aae aai aan aap aar aat aau ab- aba abb abe abi abn abp abr abt abu aea aeb aee aei aen aep aer aet aeu ai- aia aib aie aii ain aip air ait aiu an- ana anb ane ani ann anp anr ant anu ap- apa apb ape api apn app apr apt apu ar- ara arb are ari arn arp arr art aru at- ata atb ate ati atn atp atr att atu au- aua aub aue aui aun aup aur aut b-p b-u baa bab bae bai ban bap bar bat bau bba bbb bbe bbi bbn bbp bbr bbt bbu be- bea beb bee bei ben bep ber bet beu bi- bia bib bie bii bin bip bir bit biu bna bnb bne bni bnn bnp bnr bnt bnu bpa bpb bpe bpi bpn bpp bpr bpt bpu bra brb bre bri brn brp brr brt bru bta btb bte bti btn btp btr btt btu bua bub bue bui bun bup bur but buu eaa eab eae eai ean eap ear eat eau eba ebb ebe ebi ebn ebp ebr ebt ebu eea eeb eee een eep eer eet eia eib eie eii ein eip eir eit eiu en- ena enb ene eni enn enp enr ent enu ep- epa epb epe epi epn epp epr ept epu era erb ere eri ern erp err ert eru eta etb ete eti etn etp etr ett etu eu- eua eub eue eui eun eup eur eut ia- iaa iab iae iai ian iap iar iat iau iba ibb ibe ibi ibn ibp ibr ibt ibu ie- iea iee iei ien iep ier iet iia iib iie iii iin iip iir iit iiu in- ina inb ine ini inn inp inr int inu ipa ipb ipe ipi ipn ipp ipr ipt ipu ir- ira irb ire iri irn irp irr irt iru ita itb ite iti itn itp itt itu iu- iua iub iue iui iup iur iut n-i naa nab nae nai nan nap nar nat nau nba nbb nbe nbi nbn nbp nbr nbt nbu ne- nea neb nee nei nen nep ner net neu nia nib nie nii nin nip nir nit niu nna nnb nne nni nnn nnp nnt nnu npa npb npe npi npn npp npr npt npu nra nrb nre nri nrn nrp nrr nrt nru nta ntb nte nti ntn ntp ntr ntt ntu nua nub nue nui nun nup nur nut nuu p-p paa pab pae pai pan pap par pat pau pba pbb pbe pbi pbn pbp pbr pbt pbu pea peb pee pei pen pep per pet peu pia pib pie pii pin pip pir pit piu pn- pna pnb pne pni pnn pnp pnr pnt pnu ppa ppb ppe ppi ppn ppp ppr ppt ppu pra prb pre pri prn prp prr prt pru pt- pta ptb pte pti ptn ptp ptr ptt ptu pua pub pue pui pun pup pur put puu ra- raa rab rae rai ran rap rar rat rau rba rbb rbe rbi rbn rbp rbr rbt rbu re- rea reb ree rei ren rep rer ret reu ria rib rie rii rin rip rir rit rna rnb rni rnn rnp rnr rnt rnu rpa rpb rpe rpi rpn rpp rpr rpt rpu rra rrb rri rrn rrp rrr rrt rru rta rtb rte rti rtn rtp rtr rtt rtu rua rub rue rui run rup rur rut ruu taa tab tae tai tan tap tar tat tau tba tbb tbe tbi tbn tbp tbr tbt tbu te- tea teb tee tei ten tep ter tet teu tia tib tie tii tin tip tir tit tiu tna tnb tne tni tnn tnp tnr tnt tpa tpb tpe tpi tpn tpp tpr tpt tpu tra trb tre tri trn trp trr trt tru tta ttb tte tti ttn ttp ttr ttt ttu tua tub tue tui tun tup tur tut tuu ua- uaa uab uae uai uan uap uar uat uau uba ubb ube ubi ubn ubp ubr ubt ubu uea ueb uee uei uen uep uer uet uia uib uie uii uin uip uir uit uiu un- una unb une uni unn unp unr unt unu up- upa upb upe upi upn upp upr upt upu ur- ura urb ure uri urn urp urr urt uru uta utb ute uti utn utp utr utt utu uua uue uun uur uut uuu