-up a-a a-b aaa aab aad aak aan aap aar aau ab- aba abb abd abk abn abp abr abu ad- ada adb add adk adn adp adr adu aka akb akd akk akn akp akr aku an- ana anb and ank ann anp anr anu ap- apa apb apd apk apn app apr apu ar- ara arb ard ark arn arp arr aru au- aua aub aud auk aun aup aur b-p b-u baa bab bad bak ban bap bar bau bba bbb bbd bbk bbn bbp bbr bbu bda bdb bdd bdk bdp bdr bdu bka bkb bkk bkn bkp bkr bna bnb bnd bnk bnn bnp bnr bnu bpa bpb bpd bpn bpp bpr bpu bra brb brd brk brn brp brr bru bua bub bud buk bun bup bur buu daa dab dad dak dan dap dar dau dba dbb dbd dbk dbn dbp dbr dbu dda ddb ddd ddk ddn ddp ddr ddu dka dkb dkk dkp dkr dku dna dnb dnd dnk dnn dnp dnr dpa dpb dpd dpk dpn dpp dpr dpu dra drb drd drk drn drp drr dru dua dub dud duk dun dup dur ka- kaa kab kad kak kan kap kar kau kba kbb kbd kbk kbn kbp kbr kbu kda kdb kdk kdp kdr kdu kkb kkk kkn kkp kkr kku kn- kna knd knk knn knp knr knu kpa kpd kpk kpn kpp kpr kpu kra krd krk krn krp krr kru kub kud kuk kun kup kur kuu naa nab nad nak nan nap nar nau nba nbb nbd nbk nbn nbp nbr nbu nda ndb ndd ndk ndn ndp ndr ndu nka nkk nkn nkp nkr nku nna nnb nnk nnn nnp nnu npa npb npd npn npp npr npu nra nrb nrd nrk nrn nrp nrr nru nua nub nud nuk nun nup nur nuu p-p paa pab pad pak pan pap par pau pba pbb pbd pbk pbn pbp pbr pbu pda pdb pdd pdk pdn pdp pdr pdu pka pkb pkd pkn pkp pkr pku pn- pna pnb pnd pnk pnn pnp pnr pnu ppa ppb ppd ppk ppn ppp ppr ppu pra prb prd prk prn prp prr pru pua pub pud puk pun pup pur puu ra- raa rab rad rak ran rap rar rau rba rbb rbd rbk rbn rbp rbr rbu rda rdb rdd rdn rdp rdr rdu rkb rkk rkp rku rna rnb rnd rnn rnp rnr rnu rpa rpb rpd rpk rpn rpp rpr rpu rra rrb rrd rrk rrn rrp rrr rru rua rub rud ruk run rup rur ruu ua- uaa uab uad uak uan uap uar uau uba ubb ubk ubn ubp ubr ubu uda udb udd udk udn udp udr udu uka ukb ukk ukn ukp ukr uku un- una unb und unk unn unp unr unu up- upa upb upd upk upn upp upr upu ur- ura urb urd urk urn urp urr uru uua uun uur uuu