-al -up a-a a-b a-c aaa aab aac aae aal aap aau ab- aba abb abc abe abl abp abu ac- aca acb acc ace acl acp acu aea aeb aec aee ael aep aeu al- ala alb alc ale all alp alu ap- apa apb apc ape apl app apu au- aua aub auc aue aul aup b-p b-u baa bab bac bae bal bap bau bba bbb bbc bbe bbl bbp bbu bca bcb bcc bce bcl bcp bcu be- bea beb bec bee bel bep beu bla blb blc ble bll blp blu bpa bpb bpc bpe bpl bpp bpu bua bub buc bue bul bup buu c-- caa cab cac cae cal cap cau cba cbb cbc cbe cbl cbp cbu cca ccb ccc cce ccl ccp ccu ce- cea ceb cec cee cel cep ceu cl- cla clb clc cle cll clp clu cpa cpb cpc cpe cpl cpp cpu cua cub cuc cue cul cup cuu eaa eab eac eae eal eap eau eba ebb ebc ebe ebl ebp ebu ec- eca ecb ecc ece ecl ecu eea eeb eec eee eel eep ela elb elc ele ell elp elu ep- epa epb epc epe epl epp epu eu- eua eub euc eue eul eup l-p la- laa lab lac lae lal lap lau lba lbb lbc lbe lbl lbp lbu lca lcb lcc lce lcl lcp lcu lea leb lec lee lel lep leu lla llb llc lle lll llp llu lpa lpb lpc lpe lpl lpp lpu lua lub luc lue lul lup luu p-p paa pab pac pae pal pap pau pba pbb pbc pbe pbl pbp pbu pca pcb pcc pce pcl pcp pcu pea peb pec pee pel pep peu pla plb plc ple pll plp plu ppa ppb ppc ppe ppl ppp ppu pua pub puc pue pul pup puu ua- uaa uab uac uae ual uap uau uba ubb ubc ube ubl ubp ubu uca ucb ucc uce ucl ucp ucu uea ueb uec uee uel uep ula ulb ulc ule ull ulp ulu up- upa upb upc upe upp upu uua uuc uue uuu