-al -er -ol -up a-a a-b a-c a-t aaa aab aac aae aal aan aao aap aar aat aau ab- aba abb abc abe abl abn abo abp abr abt abu ac- aca acb acc ace acl acn aco acp acr act acu aea aeb aec aee ael aen aeo aep aer aet aeu al- ala alb alc ale all aln alo alp alr alt alu an- ana anb anc ane anl ann ano anp anr ant anu aoa aob aoc aoe aol aon aoo aop aor aot aou ap- apa apb apc ape apl apn apo app apr apt apu ar- ara arb arc are arl arn aro arp arr art aru at- ata atb atc ate atl atn ato atp atr att atu au- aua aub auc aue aul aun auo aup aur aut b-p b-u baa bab bac bae bal ban bao bap bar bat bau bba bbb bbc bbe bbl bbn bbo bbp bbr bbt bbu bca bcb bcc bce bcl bcn bco bcp bcr bct bcu be- bea beb bec bee bel ben beo bep ber bet beu bla blb blc ble bll bln blo blp blr blt blu bna bnb bnc bne bnl bnn bno bnp bnr bnt bnu boa bob boc boe bol bon boo bop bor bot bou bpa bpb bpc bpe bpl bpn bpo bpp bpr bpt bpu bra brb bre brl brn bro brp brr brt bru bta btb btc bte btl btn bto btp btr btt btu bua bub buc bue bul bun buo bup bur but buu c-- caa cab cac cae cal can cao cap car cat cau cba cbb cbc cbe cbl cbn cbo cbp cbr cbt cbu cca ccb ccc cce ccl ccn cco ccp ccr cct ccu ce- cea ceb cec cee cel cen ceo cep cer cet ceu cl- cla clb clc cle cll cln clo clp clr clt clu cn- cna cnb cnc cne cnl cnn cno cnp cnr cnt cnu co- coa cob coc coe col con coo cop cor cot cou cpa cpb cpc cpe cpl cpn cpo cpp cpr cpt cpu cra crb crc cre crl crn cro crp crr crt cru cta ctb ctc cte ctl ctn cto ctp ctr ctt ctu cua cub cuc cue cul cun cuo cup cur cut cuu eaa eab eac eae eal ean eao eap ear eat eau eba ebb ebc ebe ebl ebn ebo ebp ebr ebt ebu ec- eca ecb ecc ece ecl ecn eco ecr ect ecu eea eeb eec eee eel een eeo eep eer eet ela elb elc ele ell eln elo elp elr elt elu en- ena enb enc ene enl enn eno enp enr ent enu eo- eoa eob eoc eoe eol eon eoo eop eor eot eou ep- epa epb epc epe epl epn epo epp epr ept epu era erb erc ere erl ern ero erp err ert eru eta etb etc ete etl etn eto etp etr ett etu eu- eua eub euc eue eul eun eup eur eut l-p la- laa lab lac lae lal lan lao lap lar lat lau lba lbb lbc lbe lbl lbo lbp lbr lbt lbu lca lcb lcc lce lcl lcn lco lcp lcr lct lcu lea leb lec lee lel len leo lep ler let leu lla llb llc lle lll lln llo llp llr llt llu lna lnb lnc lne lnl lnn lno lnp lnr lnt lnu loa lob loc loe lol lon loo lop lor lot lou lpa lpb lpc lpe lpl lpn lpo lpp lpr lpt lpu lra lrb lrc lrn lro lrp lrr lrt lru lta ltb ltc lte ltl lto ltp ltr ltt ltu lua lub luc lue lul lun luo lup lur lut luu naa nab nac nae nal nan nao nap nar nat nau nba nbb nbc nbe nbl nbn nbo nbp nbr nbt nbu nca ncb ncc nce ncl ncn nco ncp ncr nct ncu ne- nea neb nec nee nel nen neo nep ner net neu nla nlb nlc nle nll nln nlo nlp nlr nlt nlu nna nnb nnc nne nnl nnn nno nnp nnt nnu no- noa nob noc noe nol non noo nop nor not nou npa npb npc npe npl npn npo npp npr npt npu nra nrb nrc nre nrl nrn nro nrp nrr nrt nru nta ntb ntc nte ntn nto ntp ntr ntt ntu nua nub nuc nue nul nun nuo nup nur nut nuu oaa oab oac oae oal oan oao oap oar oat oau ob- oba obb obc obe obl obn obo obp obr obt obu oc- oca ocb occ ocl ocn oco ocp ocr oct ocu oea oeb oec oee oel oen oeo oep oer oet ola olb olc ole oll oln olo olp olt olu on- ona onb onc one onl onn ono onp onr ont onu oo- ooa oob ooc ool oon ooo oop oor oot op- opa opb opc ope opl opn opo opp opr opt or- ora orb orc ore orl orn oro orp orr ort oru ot- ota otb otc ote otl otn oto otp otr ott otu ou- oua ouc oue oul oun ouo oup our out p-p paa pab pac pae pal pan pao pap par pat pau pba pbb pbc pbe pbl pbn pbo pbp pbr pbt pbu pca pcb pcc pce pcl pcn pco pcp pcr pct pcu pea peb pec pee pel pen peo pep per pet peu pla plb plc ple pll pln plo plp plr plt plu pn- pna pnb pnc pne pnl pnn pno pnp pnr pnt pnu poa pob poc poe pol pon poo pop por pot pou ppa ppb ppc ppe ppl ppn ppo ppp ppr ppt ppu pra prb prc pre prl prn pro prp prr prt pru pt- pta ptb ptc pte ptl ptn pto ptp ptr ptt ptu pua pub puc pue pul pun pup pur put puu ra- raa rab rac rae ral ran rao rap