-al -er -up a-a a-b aaa aab aae aal aan aap aar aau ab- aba abb abe abl abn abp abr abu aea aeb aee ael aen aep aer aeu al- ala alb ale all aln alp alr alu an- ana anb ane anl ann anp anr anu ap- apa apb ape apl apn app apr apu ar- ara arb are arl arn arp arr aru au- aua aub aue aul aun aup aur b-p b-u baa bab bae bal ban bap bar bau bba bbb bbe bbl bbn bbp bbr bbu be- bea beb bee bel ben bep ber beu bla blb ble bll bln blp blr blu bna bnb bne bnl bnn bnp bnr bnu bpa bpb bpe bpl bpn bpp bpr bpu bra brb bre brl brn brp brr bru bua bub bue bul bun bup bur buu eaa eab eae eal ean eap ear eau eba ebb ebe ebl ebn ebp ebr ebu eea eeb eee eel een eep eer ela elb ele ell eln elp elr elu en- ena enb ene enl enn enp enr enu ep- epa epb epe epl epn epp epr epu era erb ere erl ern erp err eru eu- eua eub eue eul eun eup eur l-p la- laa lab lae lal lan lap lar lau lba lbb lbe lbl lbp lbr lbu lea leb lee lel len lep ler leu lla llb lle lll lln llp llr llu lna lnb lne lnl lnn lnp lnr lnu lpa lpb lpe lpl lpn lpp lpr lpu lra lrb lrn lrp lrr lru lua lub lue lul lun lup lur luu naa nab nae nal nan nap nar nau nba nbb nbe nbl nbn nbp nbr nbu ne- nea neb nee nel nen nep ner neu nla nlb nle nll nln nlp nlr nlu nna nnb nne nnl nnn nnp nnu npa npb npe npl npn npp npr npu nra nrb nre nrl nrn nrp nrr nru nua nub nue nul nun nup nur nuu p-p paa pab pae pal pan pap par pau pba pbb pbe pbl pbn pbp pbr pbu pea peb pee pel pen pep per peu pla plb ple pll pln plp plr plu pn- pna pnb pne pnl pnn pnp pnr pnu ppa ppb ppe ppl ppn ppp ppr ppu pra prb pre prl prn prp prr pru pua pub pue pul pun pup pur puu ra- raa rab rae ral ran rap rar rau rba rbb rbe rbl rbn rbp rbr rbu re- rea reb ree rel ren rep rer reu rla rle rll rln rlp rlr rlu rna rnb rnn rnp rnr rnu rpa rpb rpe rpl rpn rpp rpr rpu rra rrb rrl rrn rrp rrr rru rua rub rue run rup rur ruu ua- uaa uab uae ual uan uap uar uau uba ubb ube ubl ubn ubp ubr ubu uea ueb uee uel uen uep uer ula ulb ule ull uln ulp ulr ulu un- una unb une unl unn unp unr unu up- upa upb upe upn upp upr upu ur- ura urb ure url urn urp urr uru uua uue uun uur uuu