-up a-a a-b a-c aaa aab aac aad aan aap aau ab- aba abb abc abd abn abp abu ac- aca acb acc acd acn acp acu ad- ada adb adc add adn adp adu an- ana anb anc and ann anp anu ap- apa apb apc apd apn app apu au- aua aub auc aud aun aup b-p b-u baa bab bac bad ban bap bau bba bbb bbc bbd bbn bbp bbu bca bcb bcc bcd bcn bcp bcu bda bdb bdc bdd bdp bdu bna bnb bnc bnd bnn bnp bnu bpa bpb bpc bpd bpn bpp bpu bua bub buc bud bun bup buu c-- caa cab cac cad can cap cau cba cbb cbc cbd cbn cbp cbu cca ccb ccc ccd ccn ccp ccu cda cdb cdc cdd cdn cdp cdu cn- cna cnb cnc cnd cnn cnp cnu cpa cpb cpc cpd cpn cpp cpu cua cub cuc cud cun cup cuu daa dab dac dad dan dap dau dba dbb dbc dbd dbn dbp dbu dca dcb dcc dcd dcn dcp dcu dda ddb ddc ddd ddn ddp ddu dna dnb dnc dnd dnn dnp dpa dpb dpc dpd dpn dpp dpu dua dub duc dud dun dup naa nab nac nad nan nap nau nba nbb nbc nbd nbn nbp nbu nca ncb ncc ncd ncn ncp ncu nda ndb ndc ndd ndn ndp ndu nna nnb nnc nnn nnp nnu npa npb npc npd npn npp npu nua nub nuc nud nun nup nuu p-p paa pab pac pad pan pap pau pba pbb pbc pbd pbn pbp pbu pca pcb pcc pcd pcn pcp pcu pda pdb pdc pdd pdn pdp pdu pn- pna pnb pnc pnd pnn pnp pnu ppa ppb ppc ppd ppn ppp ppu pua pub puc pud pun pup puu ua- uaa uab uac uad uan uap uau uba ubb ubc ubn ubp ubu uca ucb ucc ucd ucn ucp ucu uda udb udc udd udn udp udu un- una unb unc und unn unp unu up- upa upb upc upd upn upp upu uua uuc uun uuu