-al -ol -up a-a a-b a-c a-t aaa aab aac aae aal aan aao aap aas aat aau ab- aba abb abc abe abl abn abo abp abs abt abu ac- aca acb acc ace acl acn aco acp acs act acu aea aeb aec aee ael aen aeo aep aes aet aeu al- ala alb alc ale all aln alo alp als alt alu an- ana anb anc ane anl ann ano anp ans ant anu aoa aob aoc aoe aol aon aoo aop aos aot aou ap- apa apb apc ape apl apn apo app aps apt apu as- asa asb asc ase asl asn aso asp ass ast asu at- ata atb atc ate atl atn ato atp ats att atu au- aua aub auc aue aul aun auo aup aus aut b-p b-u baa bab bac bae bal ban bao bap bas bat bau bba bbb bbc bbe bbl bbn bbo bbp bbs bbt bbu bca bcb bcc bce bcl bcn bco bcp bcs bct bcu be- bea beb bec bee bel ben beo bep bes bet beu bla blb blc ble bll bln blo blp bls blt blu bna bnb bnc bne bnl bnn bno bnp bns bnt bnu boa bob boc boe bol bon boo bop bos bot bou bpa bpb bpc bpe bpl bpn bpo bpp bps bpt bpu bsa bsb bsc bse bsl bsn bso bsp bss bst bsu bta btb btc bte btl btn bto btp bts btt btu bua bub buc bue bul bun buo bup bus but buu c-- caa cab cac cae cal can cao cap cas cat cau cba cbb cbc cbe cbl cbn cbo cbp cbs cbt cbu cca ccb ccc cce ccl ccn cco ccp ccs cct ccu ce- cea ceb cec cee cel cen ceo cep ces cet ceu cl- cla clb clc cle cll cln clo clp cls clt clu cn- cna cnb cnc cne cnl cnn cno cnp cns cnt cnu co- coa cob coc coe col con coo cop cos cot cou cpa cpb cpc cpe cpl cpn cpo cpp cps cpt cpu csa csb csc cse csl csn cso csp css cst csu cta ctb ctc cte ctl ctn cto ctp cts ctt ctu cua cub cuc cue cul cun cuo cup cus cut cuu eaa eab eac eae eal ean eao eap eas eat eau eba ebb ebc ebe ebl ebn ebo ebp ebs ebt ebu ec- eca ecb ecc ece ecl ecn eco ecs ect ecu eea eeb eec eee eel een eeo eep ees eet ela elb elc ele ell eln elo elp els elt elu en- ena enb enc ene enl enn eno enp ens ent enu eo- eoa eob eoc eoe eol eon eoo eop eos eot eou ep- epa epb epc epe epl epn epo epp eps ept epu es- esa esb esc ese esl esn eso esp ess est esu eta etb etc ete etl etn eto etp ets ett etu eu- eua eub euc eue eul eun eup eus eut l-p la- laa lab lac lae lal lan lao lap las lat lau lba lbb lbc lbe lbl lbo lbp lbs lbt lbu lca lcb lcc lce lcl lcn lco lcp lcs lct lcu lea leb lec lee lel len leo lep les let leu lla llb llc lle lll lln llo llp lls llt llu lna lnb lnc lne lnl lnn lno lnp lns lnt lnu loa lob loc loe lol lon loo lop los lot lou lpa lpb lpc lpe lpl lpn lpo lpp lps lpt lpu lsa lsb lsc lse lsl lsn lso lsp lss lst lsu lta ltb ltc lte ltl lto ltp lts ltt ltu lua lub luc lue lul lun luo lup lus lut luu naa nab nac nae nal nan nao nap nas nat nau nba nbb nbc nbe nbl nbn nbo nbp nbs nbt nbu nca ncb ncc nce ncl ncn nco ncp ncs nct ncu ne- nea neb nec nee nel nen neo nep nes net neu nla nlb nlc nle nll nln nlo nlp nls nlt nlu nna nnb nnc nne nnl nnn nno nnp nns nnt nnu no- noa nob noc noe nol non noo nop nos not nou npa npb npc npe npl npn npo npp nps npt npu nsa nsb nsc nse nsl nsn nso nsp nss nst nsu nta ntb ntc nte ntn nto ntp nts ntt ntu nua nub nuc nue nul nun nuo nup nus nut nuu oaa oab oac oae oal oan oao oap oas oat oau ob- oba obb obc obe obl obn obo obp obs obt obu oc- oca ocb occ ocl ocn oco ocp ocs oct ocu oea oeb oec oee oel oen oeo oep oes oet ola olb olc ole oll oln olo olp ols olt olu on- ona onb onc one onl onn ono onp ons ont onu oo- ooa oob ooc ool oon ooo oop oos oot op- opa opb opc ope opl opn opo opp ops opt os- osa osb osc ose osl osn oso osp oss ost osu ot- ota otb otc ote otl otn oto otp ots ott otu ou- oua ouc oue oul oun ouo oup ous out p-p paa pab pac pae pal pan pao pap pas pat pau pba pbb pbc pbe pbl pbn pbo pbp pbs pbt pbu pca pcb pcc pce pcl pcn pco pcp pcs pct pcu pea peb pec pee pel pen peo pep pes pet peu pla plb plc ple pll pln plo plp pls plt plu pn- pna pnb pnc pne pnl pnn pno pnp pns pnt pnu poa pob poc poe pol pon poo pop pos pot pou ppa ppb ppc ppe ppl ppn ppo ppp pps ppt ppu ps- psa psb psc pse psl psn pso psp pss pst psu pt- pta ptb ptc pte ptl ptn pto ptp pts ptt ptu pua pub puc pue pul pun pup pus put puu saa sab sac