-al -er -ol -up a-a a-b a-c aaa aab aac aae aaf aal aan aao aap aar aas aau ab- aba abb abc abe abf abl abn abo abp abr abs abu ac- aca acb acc ace acf acl acn aco acp acr acs acu aea aeb aec aee aef ael aen aeo aep aer aes aeu af- afa afb afc afe aff afl afn afo afp afr afs afu al- ala alb alc ale alf all aln alo alp alr als alu an- ana anb anc ane anf anl ann ano anp anr ans anu aoa aob aoc aoe aof aol aon aoo aop aor aos aou ap- apa apb apc ape apf apl apn apo app apr aps apu ar- ara arb arc are arf arl arn aro arp arr ars aru as- asa asb asc ase asf asl asn aso asp asr ass asu au- aua aub auc aue auf aul aun auo aup aur aus b-p b-u baa bab bac bae baf bal ban bao bap bar bas bau bba bbb bbc bbe bbf bbl bbn bbo bbp bbr bbs bbu bca bcb bcc bce bcf bcl bcn bco bcp bcr bcs bcu be- bea beb bec bee bef bel ben beo bep ber bes beu bfa bfb bfc bfe bff bfl bfn bfo bfp bfr bfs bfu bla blb blc ble blf bll bln blo blp blr bls blu bna bnb bnc bne bnf bnl bnn bno bnp bnr bns bnu boa bob boc boe bof bol bon boo bop bor bos bou bpa bpb bpc bpe bpf bpl bpn bpo bpp bpr bps bpu bra brb bre brf brl brn bro brp brr brs bru bsa bsb bsc bse bsf bsl bsn bso bsp bsr bss bsu bua bub buc bue buf bul bun buo bup bur bus buu c-- caa cab cac cae caf cal can cao cap car cas cau cba cbb cbc cbe cbf cbl cbn cbo cbp cbr cbs cbu cca ccb ccc cce ccf ccl ccn cco ccp ccr ccs ccu ce- cea ceb cec cee cef cel cen ceo cep cer ces ceu cfa cfb cfc cfe cff cfl cfn cfo cfp cfr cfs cfu cl- cla clb clc cle clf cll cln clo clp clr cls clu cn- cna cnb cnc cne cnf cnl cnn cno cnp cnr cns cnu co- coa cob coc coe cof col con coo cop cor cos cou cpa cpb cpc cpe cpf cpl cpn cpo cpp cpr cps cpu cra crb crc cre crf crl crn cro crp crr crs cru csa csb csc cse csf csl csn cso csp csr css csu cua cub cuc cue cuf cul cun cuo cup cur cus cuu eaa eab eac eae eaf eal ean eao eap ear eas eau eba ebb ebc ebe ebf ebl ebn ebo ebp ebr ebs ebu ec- eca ecb ecc ece ecf ecl ecn eco ecr ecs ecu eea eeb eec eee eef eel een eeo eep eer ees ef- efa efb efc efe eff efl efo efp efr efs ela elb elc ele elf ell eln elo elp elr els elu en- ena enb enc ene enf enl enn eno enp enr ens enu eo- eoa eob eoc eoe eof eol eon eoo eop eor eos eou ep- epa epb epc epe epf epl epn epo epp epr eps epu era erb erc ere erf erl ern ero erp err ers eru es- esa esb esc ese esf esl esn eso esp esr ess esu eu- eua eub euc eue euf eul eun eup eur eus faa fab fac fae faf fal fan fao fap far fas fau fba fbb fbc fbe fbf fbl fbn fbo fbp fbr fbs fbu fca fcb fcc fce fcf fcl fcn fco fcp fcr fcs fcu fea feb fec fee fef fel fen feo fep fer fes feu ffa ffc ffe fff ffl ffn ffo ffp ffr ffs ffu fla flb flc fle flf fll fln flo flp flr fls flu fna fnb fnc fne fnf fnl fnn fnp fnr fns fnu foa fob foc foe fof fol fon foo fop for fos fou fpa fpb fpc fpe fpl fpn fpo fpp fpr fps fpu fra frb frc fre frf frl frn fro frp frr frs fru fsa fsb fsc fse fsf fsl fsn fso fsp fsr fss fsu fua fub fue fuf ful fun fuo fup fur fus fuu l-p la- laa lab lac lae laf lal lan lao lap lar las lau lba lbb lbc lbe lbf lbl lbo lbp lbr lbs lbu lca lcb lcc lce lcf lcl lcn lco lcp lcr lcs lcu lea leb lec lee lef lel len leo lep ler les leu lfa lfb lfc lfe lff lfl lfn lfo lfp lfr lfs lfu lla llb llc lle llf lll lln llo llp llr lls llu lna lnb lnc lne lnl lnn lno lnp lnr lns lnu loa lob loc loe lof lol lon loo lop lor los lou lpa lpb lpc lpe lpf lpl lpn lpo lpp lpr lps lpu lra lrb lrc lrf lrn lro lrp lrr lrs lru lsa lsb lsc lse lsf lsl lsn lso lsp lsr lss lsu lua lub luc lue luf lul lun luo lup lur lus luu naa nab nac nae naf nal nan nao nap nar nas nau nba nbb nbc nbe nbf nbl nbn nbo nbp nbr nbs nbu nca ncb ncc nce ncf ncl ncn nco ncp ncr ncs ncu ne- nea neb nec nee nef nel nen neo nep ner nes neu nfa nfb nfc nfe nff nfl nfn nfo nfp nfr nfs nfu nla nlb nlc nle nlf nll nln nlo nlp nlr nls nlu nna nnb nnc nne nnf nnl nnn nno nnp nns nnu no- noa nob noc noe nof nol non noo nop nor nos nou npa npb npc npe npf npl npn npo npp npr nps npu nra nrb nrc nre nrf nrl nrn nro nrp nrr