-al -ol -up a-a a-b a-c aaa aab aac aae aaf aal aao aap aau ab- aba abb abc abe abf abl abo abp abu ac- aca acb acc ace acf acl aco acp acu aea aeb aec aee aef ael aeo aep aeu af- afa afb afc afe aff afl afo afp afu al- ala alb alc ale alf all alo alp alu aoa aob aoc aoe aof aol aoo aop aou ap- apa apb apc ape apf apl apo app apu au- aua aub auc aue auf aul auo aup b-p b-u baa bab bac bae baf bal bao bap bau bba bbb bbc bbe bbf bbl bbo bbp bbu bca bcb bcc bce bcf bcl bco bcp bcu be- bea beb bec bee bef bel beo bep beu bfa bfb bfc bfe bff bfl bfo bfp bfu bla blb blc ble blf bll blo blp blu boa bob boc boe bof bol boo bop bou bpa bpb bpc bpe bpf bpl bpo bpp bpu bua bub buc bue buf bul buo bup buu c-- caa cab cac cae caf cal cao cap cau cba cbb cbc cbe cbf cbl cbo cbp cbu cca ccb ccc cce ccf ccl cco ccp ccu ce- cea ceb cec cee cef cel ceo cep ceu cfa cfb cfc cfe cff cfl cfo cfp cfu cl- cla clb clc cle clf cll clo clp clu co- coa cob coc coe cof col coo cop cou cpa cpb cpc cpe cpf cpl cpo cpp cpu cua cub cuc cue cuf cul cuo cup cuu eaa eab eac eae eaf eal eao eap eau eba ebb ebc ebe ebf ebl ebo ebp ebu ec- eca ecb ecc ece ecf ecl eco ecu eea eeb eec eee eef eel eeo eep ef- efa efb efc efe eff efl efo efp ela elb elc ele elf ell elo elp elu eo- eoa eob eoc eoe eof eol eoo eop eou ep- epa epb epc epe epf epl epo epp epu eu- eua eub euc eue euf eul eup faa fab fac fae faf fal fao fap fau fba fbb fbc fbe fbf fbl fbo fbp fbu fca fcb fcc fce fcf fcl fco fcp fcu fea feb fec fee fef fel feo fep feu ffa ffc ffe fff ffl ffo ffp ffu fla flb flc fle flf fll flo flp flu foa fob foc foe fof fol foo fop fou fpa fpb fpc fpe fpl fpo fpp fpu fua fub fue fuf ful fuo fup fuu l-p la- laa lab lac lae laf lal lao lap lau lba lbb lbc lbe lbf lbl lbo lbp lbu lca lcb lcc lce lcf lcl lco lcp lcu lea leb lec lee lef lel leo lep leu lfa lfb lfc lfe lff lfl lfo lfp lfu lla llb llc lle llf lll llo llp llu loa lob loc loe lof lol loo lop lou lpa lpb lpc lpe lpf lpl lpo lpp lpu lua lub luc lue luf lul luo lup luu oaa oab oac oae oaf oal oao oap oau ob- oba obb obc obe obf obl obo obp obu oc- oca ocb occ ocf ocl oco ocp ocu oea oeb oec oee oef oel oeo oep of- ofa ofb ofc ofe off ofl ofo ofp ofu ola olb olc ole olf oll olo olp olu oo- ooa oob ooc oof ool ooo oop op- opa opb opc ope opf opl opo opp ou- oua ouc oue ouf oul ouo oup p-p paa pab pac pae paf pal pao pap pau pba pbb pbc pbe pbf pbl pbo pbp pbu pca pcb pcc pce pcf pcl pco pcp pcu pea peb pec pee pef pel peo pep peu pfa pfb pfc pfe pff pfl pfo pfp pfu pla plb plc ple plf pll plo plp plu poa pob poc poe pof pol poo pop pou ppa ppb ppc ppe ppf ppl ppo ppp ppu pua pub puc pue puf pul pup puu ua- uaa uab uac uae uaf ual uao uap uau uba ubb ubc ube ubf ubl ubo ubp ubu uca ucb ucc uce ucf ucl uco ucp ucu uea ueb uec uee uef uel uep ufa ufc ufe uff ufl ufo ufp ufu ula ulb ulc ule ulf ull ulo ulp ulu uoa uob uoc uoe uol uoo uop up- upa upb upc upe upf upo upp upu uua uuc uue uuu