-al -er -ol -up a-a a-b a-c aaa aab aac aae aal aan aao aap aar aas aau ab- aba abb abc abe abl abn abo abp abr abs abu ac- aca acb acc ace acl acn aco acp acr acs acu aea aeb aec aee ael aen aeo aep aer aes aeu al- ala alb alc ale all aln alo alp alr als alu an- ana anb anc ane anl ann ano anp anr ans anu aoa aob aoc aoe aol aon aoo aop aor aos aou ap- apa apb apc ape apl apn apo app apr aps apu ar- ara arb arc are arl arn aro arp arr ars aru as- asa asb asc ase asl asn aso asp asr ass asu au- aua aub auc aue aul aun auo aup aur aus b-p b-u baa bab bac bae bal ban bao bap bar bas bau bba bbb bbc bbe bbl bbn bbo bbp bbr bbs bbu bca bcb bcc bce bcl bcn bco bcp bcr bcs bcu be- bea beb bec bee bel ben beo bep ber bes beu bla blb blc ble bll bln blo blp blr bls blu bna bnb bnc bne bnl bnn bno bnp bnr bns bnu boa bob boc boe bol bon boo bop bor bos bou bpa bpb bpc bpe bpl bpn bpo bpp bpr bps bpu bra brb bre brl brn bro brp brr brs bru bsa bsb bsc bse bsl bsn bso bsp bsr bss bsu bua bub buc bue bul bun buo bup bur bus buu c-- caa cab cac cae cal can cao cap car cas cau cba cbb cbc cbe cbl cbn cbo cbp cbr cbs cbu cca ccb ccc cce ccl ccn cco ccp ccr ccs ccu ce- cea ceb cec cee cel cen ceo cep cer ces ceu cl- cla clb clc cle cll cln clo clp clr cls clu cn- cna cnb cnc cne cnl cnn cno cnp cnr cns cnu co- coa cob coc coe col con coo cop cor cos cou cpa cpb cpc cpe cpl cpn cpo cpp cpr cps cpu cra crb crc cre crl crn cro crp crr crs cru csa csb csc cse csl csn cso csp csr css csu cua cub cuc cue cul cun cuo cup cur cus cuu eaa eab eac eae eal ean eao eap ear eas eau eba ebb ebc ebe ebl ebn ebo ebp ebr ebs ebu ec- eca ecb ecc ece ecl ecn eco ecr ecs ecu eea eeb eec eee eel een eeo eep eer ees ela elb elc ele ell eln elo elp elr els elu en- ena enb enc ene enl enn eno enp enr ens enu eo- eoa eob eoc eoe eol eon eoo eop eor eos eou ep- epa epb epc epe epl epn epo epp epr eps epu era erb erc ere erl ern ero erp err ers eru es- esa esb esc ese esl esn eso esp esr ess esu eu- eua eub euc eue eul eun eup eur eus l-p la- laa lab lac lae lal lan lao lap lar las lau lba lbb lbc lbe lbl lbo lbp lbr lbs lbu lca lcb lcc lce lcl lcn lco lcp lcr lcs lcu lea leb lec lee lel len leo lep ler les leu lla llb llc lle lll lln llo llp llr lls llu lna lnb lnc lne lnl lnn lno lnp lnr lns lnu loa lob loc loe lol lon loo lop lor los lou lpa lpb lpc lpe lpl lpn lpo lpp lpr lps lpu lra lrb lrc lrn lro lrp lrr lrs lru lsa lsb lsc lse lsl lsn lso lsp lsr lss lsu lua lub luc lue lul lun luo lup lur lus luu naa nab nac nae nal nan nao nap nar nas nau nba nbb nbc nbe nbl nbn nbo nbp nbr nbs nbu nca ncb ncc nce ncl ncn nco ncp ncr ncs ncu ne- nea neb nec nee nel nen neo nep ner nes neu nla nlb nlc nle nll nln nlo nlp nlr nls nlu nna nnb nnc nne nnl nnn nno nnp nns nnu no- noa nob noc noe nol non noo nop nor nos nou npa npb npc npe npl npn npo npp npr nps npu nra nrb nrc nre nrl nrn nro nrp nrr nrs nru nsa nsb nsc nse nsl nsn nso nsp nsr nss nsu nua nub nuc nue nul nun nuo nup nur nus nuu oaa oab oac oae oal oan oao oap oar oas oau ob- oba obb obc obe obl obn obo obp obr obs obu oc- oca ocb occ ocl ocn oco ocp ocr ocs ocu oea oeb oec oee oel oen oeo oep oer oes ola olb olc ole oll oln olo olp ols olu on- ona onb onc one onl onn ono onp onr ons onu oo- ooa oob ooc ool oon ooo oop oor oos op- opa opb opc ope opl opn opo opp opr ops or- ora orb orc ore orl orn oro orp orr ors oru os- osa osb osc ose osl osn oso osp osr oss osu ou- oua ouc oue oul oun ouo oup our ous p-p paa pab pac pae pal pan pao pap par pas pau pba pbb pbc pbe pbl pbn pbo pbp pbr pbs pbu pca pcb pcc pce pcl pcn pco pcp pcr pcs pcu pea peb pec pee pel pen peo pep per pes peu pla plb plc ple pll pln plo plp plr pls plu pn- pna pnb pnc pne pnl pnn pno pnp pnr pns pnu poa pob poc poe pol pon poo pop por pos pou ppa ppb ppc ppe ppl ppn ppo ppp ppr pps ppu pra prb prc pre prl prn pro prp prr prs pru ps- psa psb psc pse psl psn pso psp psr pss psu pua pub puc pue pul pun pup pur pus puu ra- raa rab rac rae ral ran