-al -ol -up a-a a-b a-c aaa aab aac aae aak aal aao aap aau ab- aba abb abc abe abk abl abo abp abu ac- aca acb acc ace ack acl aco acp acu aea aeb aec aee aek ael aeo aep aeu aka akb akc ake akk akl ako akp aku al- ala alb alc ale alk all alo alp alu aoa aob aoc aoe aok aol aoo aop aou ap- apa apb apc ape apk apl apo app apu au- aua aub auc aue auk aul auo aup b-p b-u baa bab bac bae bak bal bao bap bau bba bbb bbc bbe bbk bbl bbo bbp bbu bca bcb bcc bce bck bcl bco bcp bcu be- bea beb bec bee bek bel beo bep beu bka bkb bkc bke bkk bkl bko bkp bla blb blc ble blk bll blo blp blu boa bob boc boe bok bol boo bop bou bpa bpb bpc bpe bpl bpo bpp bpu bua bub buc bue buk bul buo bup buu c-- caa cab cac cae cak cal cao cap cau cba cbb cbc cbe cbk cbl cbo cbp cbu cca ccb ccc cce cck ccl cco ccp ccu ce- cea ceb cec cee cek cel ceo cep ceu cka ckb ckc cko cl- cla clb clc cle clk cll clo clp clu co- coa cob coc coe cok col coo cop cou cpa cpb cpc cpe cpk cpl cpo cpp cpu cua cub cuc cue cuk cul cuo cup cuu eaa eab eac eae eak eal eao eap eau eba ebb ebc ebe ebk ebl ebo ebp ebu ec- eca ecb ecc ece eck ecl eco ecu eea eeb eec eee eek eel eeo eep eka ekb ekc eke ekl eko ekp eku ela elb elc ele elk ell elo elp elu eo- eoa eob eoc eoe eok eol eoo eop eou ep- epa epb epc epe epl epo epp epu eu- eua eub euc eue eul eup ka- kaa kab kac kae kak kal kao kap kau kba kbb kbc kbe kbk kbl kbo kbp kbu kca kcb kcc kce kck kcl kcp kcu ke- kea keb kec kee kek kel keo kep kkb kkc kke kkk kkl kkp kku kl- kla klb klc klo klu koa kob koc koe kok kol koo kop kou kpa kpc kpe kpk kpl kpo kpp kpu kub kuc kue kuk kul kup kuu l-p la- laa lab lac lae lak lal lao lap lau lba lbb lbc lbe lbk lbl lbo lbp lbu lca lcb lcc lce lck lcl lco lcp lcu lea leb lec lee lek lel leo lep leu lka lkb lkl lkp lla llb llc lle llk lll llo llp llu loa lob loc loe lok lol loo lop lou lpa lpb lpc lpe lpk lpl lpo lpp lpu lua lub luc lue luk lul luo lup luu oaa oab oac oae oak oal oao oap oau ob- oba obb obc obe obk obl obo obp obu oc- oca ocb occ ock ocl oco ocp ocu oea oeb oec oee oel oeo oep oka okb okc oke okk okl oko okp oku ola olb olc ole olk oll olo olp olu oo- ooa oob ooc ook ool ooo oop op- opa opb opc ope opk opl opo opp ou- oua ouc oue ouk oul ouo oup p-p paa pab pac pae pak pal pao pap pau pba pbb pbc pbe pbk pbl pbo pbp pbu pca pcb pcc pce pck pcl pco pcp pcu pea peb pec pee pek pel peo pep peu pka pkb pkc pke pkl pko pkp pku pla plb plc ple plk pll plo plp plu poa pob poc poe pok pol poo pop pou ppa ppb ppc ppe ppk ppl ppo ppp ppu pua pub puc pue puk pul pup puu ua- uaa uab uac uae uak ual uao uap uau uba ubb ubc ube ubk ubl ubo ubp ubu uca ucb ucc uce uck ucl uco ucp ucu uea ueb uec uee uel uep uka ukb ukc uke ukk ukl ukp uku ula ulb ulc ule ulk ull ulo ulp ulu uoa uob uoc uoe uok uol uoo uop up- upa upb upc upe upk upo upp upu uua uuc uue uuu