-up a-a a-b aaa aab aak aan aap aar aau ab- aba abb abk abn abp abr abu aka akb akk akn akp akr aku an- ana anb ank ann anp anr anu ap- apa apb apk apn app apr apu ar- ara arb ark arn arp arr aru au- aua aub auk aun aup aur b-p b-u baa bab bak ban bap bar bau bba bbb bbk bbn bbp bbr bbu bka bkb bkk bkn bkp bkr bna bnb bnk bnn bnp bnr bnu bpa bpb bpn bpp bpr bpu bra brb brk brn brp brr bru bua bub buk bun bup bur buu ka- kaa kab kak kan kap kar kau kba kbb kbk kbn kbp kbr kbu kkb kkk kkn kkp kkr kku kn- kna knk knn knp knr knu kpa kpk kpn kpp kpr kpu kra krk krn krp krr kru kub kuk kun kup kur kuu naa nab nak nan nap nar nau nba nbb nbk nbn nbp nbr nbu nka nkk nkn nkp nkr nku nna nnb nnk nnn nnp nnu npa npb npn npp npr npu nra nrb nrk nrn nrp nrr nru nua nub nuk nun nup nur nuu p-p paa pab pak pan pap par pau pba pbb pbk pbn pbp pbr pbu pka pkb pkn pkp pkr pku pn- pna pnb pnk pnn pnp pnr pnu ppa ppb ppk ppn ppp ppr ppu pra prb prk prn prp prr pru pua pub puk pun pup pur puu ra- raa rab rak ran rap rar rau rba rbb rbk rbn rbp rbr rbu rkb rkk rkp rku rna rnb rnn rnp rnr rnu rpa rpb rpk rpn rpp rpr rpu rra rrb rrk rrn rrp rrr rru rua rub ruk run rup rur ruu ua- uaa uab uak uan uap uar uau uba ubb ubk ubn ubp ubr ubu uka ukb ukk ukn ukp ukr uku un- una unb unk unn unp unr unu up- upa upb upk upn upp upr upu ur- ura urb urk urn urp urr uru uua uun uur uuu