-up a-a a-b a-i aaa aab aai aan aap aar aau ab- aba abb abi abn abp abr abu ai- aia aib aii ain aip air aiu an- ana anb ani ann anp anr anu ap- apa apb api apn app apr apu ar- ara arb ari arn arp arr aru au- aua aub aui aun aup aur b-p b-u baa bab bai ban bap bar bau bba bbb bbi bbn bbp bbr bbu bi- bia bib bii bin bip bir biu bna bnb bni bnn bnp bnr bnu bpa bpb bpi bpn bpp bpr bpu bra brb bri brn brp brr bru bua bub bui bun bup bur buu ia- iaa iab iai ian iap iar iau iba ibb ibi ibn ibp ibr ibu iia iib iii iin iip iir iiu in- ina inb ini inn inp inr inu ipa ipb ipi ipn ipp ipr ipu ir- ira irb iri irn irp irr iru iu- iua iub iui iup iur n-i naa nab nai nan nap nar nau nba nbb nbi nbn nbp nbr nbu nia nib nii nin nip nir niu nna nnb nni nnn nnp nnu npa npb npi npn npp npr npu nra nrb nri nrn nrp nrr nru nua nub nui nun nup nur nuu p-p paa pab pai pan pap par pau pba pbb pbi pbn pbp pbr pbu pia pib pii pin pip pir piu pn- pna pnb pni pnn pnp pnr pnu ppa ppb ppi ppn ppp ppr ppu pra prb pri prn prp prr pru pua pub pui pun pup pur puu ra- raa rab rai ran rap rar rau rba rbb rbi rbn rbp rbr rbu ria rib rii rin rip rir rna rnb rni rnn rnp rnr rnu rpa rpb rpi rpn rpp rpr rpu rra rrb rri rrn rrp rrr rru rua rub rui run rup rur ruu ua- uaa uab uai uan uap uar uau uba ubb ubi ubn ubp ubr ubu uia uib uii uin uip uir uiu un- una unb uni unn unp unr unu up- upa upb upi upn upp upr upu ur- ura urb uri urn urp urr uru uua uun uur uuu