-al -er -ol -up a-a a-b a-c aaa aab aac aae aaf aal aan aao aap aar aau ab- aba abb abc abe abf abl abn abo abp abr abu ac- aca acb acc ace acf acl acn aco acp acr acu aea aeb aec aee aef ael aen aeo aep aer aeu af- afa afb afc afe aff afl afn afo afp afr afu al- ala alb alc ale alf all aln alo alp alr alu an- ana anb anc ane anf anl ann ano anp anr anu aoa aob aoc aoe aof aol aon aoo aop aor aou ap- apa apb apc ape apf apl apn apo app apr apu ar- ara arb arc are arf arl arn aro arp arr aru au- aua aub auc aue auf aul aun auo aup aur b-p b-u baa bab bac bae baf bal ban bao bap bar bau bba bbb bbc bbe bbf bbl bbn bbo bbp bbr bbu bca bcb bcc bce bcf bcl bcn bco bcp bcr bcu be- bea beb bec bee bef bel ben beo bep ber beu bfa bfb bfc bfe bff bfl bfn bfo bfp bfr bfu bla blb blc ble blf bll bln blo blp blr blu bna bnb bnc bne bnf bnl bnn bno bnp bnr bnu boa bob boc boe bof bol bon boo bop bor bou bpa bpb bpc bpe bpf bpl bpn bpo bpp bpr bpu bra brb bre brf brl brn bro brp brr bru bua bub buc bue buf bul bun buo bup bur buu c-- caa cab cac cae caf cal can cao cap car cau cba cbb cbc cbe cbf cbl cbn cbo cbp cbr cbu cca ccb ccc cce ccf ccl ccn cco ccp ccr ccu ce- cea ceb cec cee cef cel cen ceo cep cer ceu cfa cfb cfc cfe cff cfl cfn cfo cfp cfr cfu cl- cla clb clc cle clf cll cln clo clp clr clu cn- cna cnb cnc cne cnf cnl cnn cno cnp cnr cnu co- coa cob coc coe cof col con coo cop cor cou cpa cpb cpc cpe cpf cpl cpn cpo cpp cpr cpu cra crb crc cre crf crl crn cro crp crr cru cua cub cuc cue cuf cul cun cuo cup cur cuu eaa eab eac eae eaf eal ean eao eap ear eau eba ebb ebc ebe ebf ebl ebn ebo ebp ebr ebu ec- eca ecb ecc ece ecf ecl ecn eco ecr ecu eea eeb eec eee eef eel een eeo eep eer ef- efa efb efc efe eff efl efo efp efr ela elb elc ele elf ell eln elo elp elr elu en- ena enb enc ene enf enl enn eno enp enr enu eo- eoa eob eoc eoe eof eol eon eoo eop eor eou ep- epa epb epc epe epf epl epn epo epp epr epu era erb erc ere erf erl ern ero erp err eru eu- eua eub euc eue euf eul eun eup eur faa fab fac fae faf fal fan fao fap far fau fba fbb fbc fbe fbf fbl fbn fbo fbp fbr fbu fca fcb fcc fce fcf fcl fcn fco fcp fcr fcu fea feb fec fee fef fel fen feo fep fer feu ffa ffc ffe fff ffl ffn ffo ffp ffr ffu fla flb flc fle flf fll fln flo flp flr flu fna fnb fnc fne fnf fnl fnn fnp fnr fnu foa fob foc foe fof fol fon foo fop for fou fpa fpb fpc fpe fpl fpn fpo fpp fpr fpu fra frb frc fre frf frl frn fro frp frr fru fua fub fue fuf ful fun fuo fup fur fuu l-p la- laa lab lac lae laf lal lan lao lap lar lau lba lbb lbc lbe lbf lbl lbo lbp lbr lbu lca lcb lcc lce lcf lcl lcn lco lcp lcr lcu lea leb lec lee lef lel len leo lep ler leu lfa lfb lfc lfe lff lfl lfn lfo lfp lfr lfu lla llb llc lle llf lll lln llo llp llr llu lna lnb lnc lne lnl lnn lno lnp lnr lnu loa lob loc loe lof lol lon loo lop lor lou lpa lpb lpc lpe lpf lpl lpn lpo lpp lpr lpu lra lrb lrc lrf lrn lro lrp lrr lru lua lub luc lue luf lul lun luo lup lur luu naa nab nac nae naf nal nan nao nap nar nau nba nbb nbc nbe nbf nbl nbn nbo nbp nbr nbu nca ncb ncc nce ncf ncl ncn nco ncp ncr ncu ne- nea neb nec nee nef nel nen neo nep ner neu nfa nfb nfc nfe nff nfl nfn nfo nfp nfr nfu nla nlb nlc nle nlf nll nln nlo nlp nlr nlu nna nnb nnc nne nnf nnl nnn nno nnp nnu no- noa nob noc noe nof nol non noo nop nor nou npa npb npc npe npf npl npn npo npp npr npu nra nrb nrc nre nrf nrl nrn nro nrp nrr nru nua nub nuc nue nul nun nuo nup nur nuu oaa oab oac oae oaf oal oan oao oap oar oau ob- oba obb obc obe obf obl obn obo obp obr obu oc- oca ocb occ ocf ocl ocn oco ocp ocr ocu oea oeb oec oee oef oel oen oeo oep oer of- ofa ofb ofc ofe off ofl ofn ofo ofp ofr ofu ola olb olc ole olf oll oln olo olp olu on- ona onb onc one onf onl onn ono onp onr onu oo- ooa oob ooc oof ool oon ooo oop oor op- opa opb opc ope opf opl opn opo opp opr or- ora orb orc ore orf orl orn oro orp orr oru ou- oua ouc oue ouf oul oun ouo oup our p-p paa pab pac pae paf pal pan pao pap par pau pba pbb pbc pbe pbf