-al -er -ol -up a-a a-b aaa aab aae aal aan aao aap aar aau ab- aba abb abe abl abn abo abp abr abu aea aeb aee ael aen aeo aep aer aeu al- ala alb ale all aln alo alp alr alu an- ana anb ane anl ann ano anp anr anu aoa aob aoe aol aon aoo aop aor aou ap- apa apb ape apl apn apo app apr apu ar- ara arb are arl arn aro arp arr aru au- aua aub aue aul aun auo aup aur b-p b-u baa bab bae bal ban bao bap bar bau bba bbb bbe bbl bbn bbo bbp bbr bbu be- bea beb bee bel ben beo bep ber beu bla blb ble bll bln blo blp blr blu bna bnb bne bnl bnn bno bnp bnr bnu boa bob boe bol bon boo bop bor bou bpa bpb bpe bpl bpn bpo bpp bpr bpu bra brb bre brl brn bro brp brr bru bua bub bue bul bun buo bup bur buu eaa eab eae eal ean eao eap ear eau eba ebb ebe ebl ebn ebo ebp ebr ebu eea eeb eee eel een eeo eep eer ela elb ele ell eln elo elp elr elu en- ena enb ene enl enn eno enp enr enu eo- eoa eob eoe eol eon eoo eop eor eou ep- epa epb epe epl epn epo epp epr epu era erb ere erl ern ero erp err eru eu- eua eub eue eul eun eup eur l-p la- laa lab lae lal lan lao lap lar lau lba lbb lbe lbl lbo lbp lbr lbu lea leb lee lel len leo lep ler leu lla llb lle lll lln llo llp llr llu lna lnb lne lnl lnn lno lnp lnr lnu loa lob loe lol lon loo lop lor lou lpa lpb lpe lpl lpn lpo lpp lpr lpu lra lrb lrn lro lrp lrr lru lua lub lue lul lun luo lup lur luu naa nab nae nal nan nao nap nar nau nba nbb nbe nbl nbn nbo nbp nbr nbu ne- nea neb nee nel nen neo nep ner neu nla nlb nle nll nln nlo nlp nlr nlu nna nnb nne nnl nnn nno nnp nnu no- noa nob noe nol non noo nop nor nou npa npb npe npl npn npo npp npr npu nra nrb nre nrl nrn nro nrp nrr nru nua nub nue nul nun nuo nup nur nuu oaa oab oae oal oan oao oap oar oau ob- oba obb obe obl obn obo obp obr obu oea oeb oee oel oen oeo oep oer ola olb ole oll oln olo olp olu on- ona onb one onl onn ono onp onr onu oo- ooa oob ool oon ooo oop oor op- opa opb ope opl opn opo opp opr or- ora orb ore orl orn oro orp orr oru ou- oua oue oul oun ouo oup our p-p paa pab pae pal pan pao pap par pau pba pbb pbe pbl pbn pbo pbp pbr pbu pea peb pee pel pen peo pep per peu pla plb ple pll pln plo plp plr plu pn- pna pnb pne pnl pnn pno pnp pnr pnu poa pob poe pol pon poo pop por pou ppa ppb ppe ppl ppn ppo ppp ppr ppu pra prb pre prl prn pro prp prr pru pua pub pue pul pun pup pur puu ra- raa rab rae ral ran rao rap rar rau rba rbb rbe rbl rbn rbo rbp rbr rbu re- rea reb ree rel ren reo rep rer reu rla rle rll rln rlo rlp rlr rlu rna rnb rnn rno rnp rnr rnu roa rob roe rol ron roo rop ror rou rpa rpb rpe rpl rpn rpo rpp rpr rpu rra rrb rrl rrn rrp rrr rru rua rub rue run ruo rup rur ruu ua- uaa uab uae ual uan uao uap uar uau uba ubb ube ubl ubn ubo ubp ubr ubu uea ueb uee uel uen uep uer ula ulb ule ull uln ulo ulp ulr ulu un- una unb une unl unn uno unp unr unu uoa uob uoe uol uon uoo uop uor up- upa upb upe upn upo upp upr upu ur- ura urb ure url urn uro urp urr uru uua uue uun uur uuu