-al -ol -up a-a a-b a-c aaa aab aac aae aal aao aap aau ab- aba abb abc abe abl abo abp abu ac- aca acb acc ace acl aco acp acu aea aeb aec aee ael aeo aep aeu al- ala alb alc ale all alo alp alu aoa aob aoc aoe aol aoo aop aou ap- apa apb apc ape apl apo app apu au- aua aub auc aue aul auo aup b-p b-u baa bab bac bae bal bao bap bau bba bbb bbc bbe bbl bbo bbp bbu bca bcb bcc bce bcl bco bcp bcu be- bea beb bec bee bel beo bep beu bla blb blc ble bll blo blp blu boa bob boc boe bol boo bop bou bpa bpb bpc bpe bpl bpo bpp bpu bua bub buc bue bul buo bup buu c-- caa cab cac cae cal cao cap cau cba cbb cbc cbe cbl cbo cbp cbu cca ccb ccc cce ccl cco ccp ccu ce- cea ceb cec cee cel ceo cep ceu cl- cla clb clc cle cll clo clp clu co- coa cob coc coe col coo cop cou cpa cpb cpc cpe cpl cpo cpp cpu cua cub cuc cue cul cuo cup cuu eaa eab eac eae eal eao eap eau eba ebb ebc ebe ebl ebo ebp ebu ec- eca ecb ecc ece ecl eco ecu eea eeb eec eee eel eeo eep ela elb elc ele ell elo elp elu eo- eoa eob eoc eoe eol eoo eop eou ep- epa epb epc epe epl epo epp epu eu- eua eub euc eue eul eup l-p la- laa lab lac lae lal lao lap lau lba lbb lbc lbe lbl lbo lbp lbu lca lcb lcc lce lcl lco lcp lcu lea leb lec lee lel leo lep leu lla llb llc lle lll llo llp llu loa lob loc loe lol loo lop lou lpa lpb lpc lpe lpl lpo lpp lpu lua lub luc lue lul luo lup luu oaa oab oac oae oal oao oap oau ob- oba obb obc obe obl obo obp obu oc- oca ocb occ ocl oco ocp ocu oea oeb oec oee oel oeo oep ola olb olc ole oll olo olp olu oo- ooa oob ooc ool ooo oop op- opa opb opc ope opl opo opp ou- oua ouc oue oul ouo oup p-p paa pab pac pae pal pao pap pau pba pbb pbc pbe pbl pbo pbp pbu pca pcb pcc pce pcl pco pcp pcu pea peb pec pee pel peo pep peu pla plb plc ple pll plo plp plu poa pob poc poe pol poo pop pou ppa ppb ppc ppe ppl ppo ppp ppu pua pub puc pue pul pup puu ua- uaa uab uac uae ual uao uap uau uba ubb ubc ube ubl ubo ubp ubu uca ucb ucc uce ucl uco ucp ucu uea ueb uec uee uel uep ula ulb ulc ule ull ulo ulp ulu uoa uob uoc uoe uol uoo uop up- upa upb upc upe upo upp upu uua uuc uue uuu