-up a-a a-b a-i aaa aab aai aak aap aar aau ab- aba abb abi abk abp abr abu ai- aia aib aii aik aip air aiu aka akb aki akk akp akr aku ap- apa apb api apk app apr apu ar- ara arb ari ark arp arr aru au- aua aub aui auk aup aur b-p b-u baa bab bai bak bap bar bau bba bbb bbi bbk bbp bbr bbu bi- bia bib bii bik bip bir biu bka bkb bkk bkp bkr bpa bpb bpi bpp bpr bpu bra brb bri brk brp brr bru bua bub bui buk bup bur buu ia- iaa iab iai iap iar iau iba ibb ibi ibk ibp ibr ibu iia iib iii iip iir iiu ika ikb iki ikk ikr iku ipa ipb ipi ipp ipr ipu ir- ira irb iri irk irp irr iru iu- iua iub iui iup iur ka- kaa kab kai kak kap kar kau kba kbb kbi kbk kbp kbr kbu kia kib kii kik kip kir kiu kkb kki kkk kkp kkr kku kpa kpi kpk kpp kpr kpu kra kri krk krp krr kru kub kui kuk kup kur kuu p-p paa pab pai pak pap par pau pba pbb pbi pbk pbp pbr pbu pia pib pii pik pip pir piu pka pkb pki pkp pkr pku ppa ppb ppi ppk ppp ppr ppu pra prb pri prk prp prr pru pua pub pui puk pup pur puu ra- raa rab rai rak rap rar rau rba rbb rbi rbk rbp rbr rbu ria rib rii rik rip rir rkb rkk rkp rku rpa rpb rpi rpk rpp rpr rpu rra rrb rri rrk rrp rrr rru rua rub rui ruk rup rur ruu ua- uaa uab uai uak uap uar uau uba ubb ubi ubk ubp ubr ubu uia uib uii uip uir uiu uka ukb uki ukk ukp ukr uku up- upa upb upi upk upp upr upu ur- ura urb uri urk urp urr uru uua uur uuu