-up a-a a-b a-c aaa aab aac aad aak aan aap aar aau ab- aba abb abc abd abk abn abp abr abu ac- aca acb acc acd ack acn acp acr acu ad- ada adb adc add adk adn adp adr adu aka akb akc akd akk akn akp akr aku an- ana anb anc and ank ann anp anr anu ap- apa apb apc apd apk apn app apr apu ar- ara arb arc ard ark arn arp arr aru au- aua aub auc aud auk aun aup aur b-p b-u baa bab bac bad bak ban bap bar bau bba bbb bbc bbd bbk bbn bbp bbr bbu bca bcb bcc bcd bck bcn bcp bcr bcu bda bdb bdc bdd bdk bdp bdr bdu bka bkb bkc bkk bkn bkp bkr bna bnb bnc bnd bnk bnn bnp bnr bnu bpa bpb bpc bpd bpn bpp bpr bpu bra brb brd brk brn brp brr bru bua bub buc bud buk bun bup bur buu c-- caa cab cac cad cak can cap car cau cba cbb cbc cbd cbk cbn cbp cbr cbu cca ccb ccc ccd cck ccn ccp ccr ccu cda cdb cdc cdd cdk cdn cdp cdr cdu cka ckb ckc ckd cn- cna cnb cnc cnd cnn cnp cnr cnu cpa cpb cpc cpd cpk cpn cpp cpr cpu cra crb crc crd crk crn crp crr cru cua cub cuc cud cuk cun cup cur cuu daa dab dac dad dak dan dap dar dau dba dbb dbc dbd dbk dbn dbp dbr dbu dca dcb dcc dcd dck dcn dcp dcr dcu dda ddb ddc ddd ddk ddn ddp ddr ddu dka dkb dkc dkk dkp dkr dku dna dnb dnc dnd dnk dnn dnp dnr dpa dpb dpc dpd dpk dpn dpp dpr dpu dra drb drc drd drk drn drp drr dru dua dub duc dud duk dun dup dur ka- kaa kab kac kad kak kan kap kar kau kba kbb kbc kbd kbk kbn kbp kbr kbu kca kcb kcc kcd kck kcn kcp kcr kcu kda kdb kdc kdk kdp kdr kdu kkb kkc kkk kkn kkp kkr kku kn- kna knc knd knk knn knp knr knu kpa kpc kpd kpk kpn kpp kpr kpu kra krc krd krk krn krp krr kru kub kuc kud kuk kun kup kur kuu naa nab nac nad nak nan nap nar nau nba nbb nbc nbd nbk nbn nbp nbr nbu nca ncb ncc ncd nck ncn ncp ncr ncu nda ndb ndc ndd ndk ndn ndp ndr ndu nka nkc nkk nkn nkp nkr nku nna nnb nnc nnk nnn nnp nnu npa npb npc npd npn npp npr npu nra nrb nrc nrd nrk nrn nrp nrr nru nua nub nuc nud nuk nun nup nur nuu p-p paa pab pac pad pak pan pap par pau pba pbb pbc pbd pbk pbn pbp pbr pbu pca pcb pcc pcd pck pcn pcp pcr pcu pda pdb pdc pdd pdk pdn pdp pdr pdu pka pkb pkc pkd pkn pkp pkr pku pn- pna pnb pnc pnd pnk pnn pnp pnr pnu ppa ppb ppc ppd ppk ppn ppp ppr ppu pra prb prc prd prk prn prp prr pru pua pub puc pud puk pun pup pur puu ra- raa rab rac rad rak ran rap rar rau rba rbb rbc rbd rbk rbn rbp rbr rbu rca rcb rcc rcd rcn rcp rcr rcu rda rdb rdc rdd rdn rdp rdr rdu rkb rkc rkk rkp rku rna rnb rnc rnd rnn rnp rnr rnu rpa rpb rpc rpd rpk rpn rpp rpr rpu rra rrb rrc rrd rrk rrn rrp rrr rru rua rub ruc rud ruk run rup rur ruu ua- uaa uab uac uad uak uan uap uar uau uba ubb ubc ubk ubn ubp ubr ubu uca ucb ucc ucd uck ucn ucp ucr ucu uda udb udc udd udk udn udp udr udu uka ukb ukc ukk ukn ukp ukr uku un- una unb unc und unk unn unp unr unu up- upa upb upc upd upk upn upp upr upu ur- ura urb urc urd urk urn urp urr uru uua uuc uun uur uuu