-al -ol -up a-a a-b aaa aab aae aal aan aao aap aau ab- aba abb abe abl abn abo abp abu aea aeb aee ael aen aeo aep aeu al- ala alb ale all aln alo alp alu an- ana anb ane anl ann ano anp anu aoa aob aoe aol aon aoo aop aou ap- apa apb ape apl apn apo app apu au- aua aub aue aul aun auo aup b-p b-u baa bab bae bal ban bao bap bau bba bbb bbe bbl bbn bbo bbp bbu be- bea beb bee bel ben beo bep beu bla blb ble bll bln blo blp blu bna bnb bne bnl bnn bno bnp bnu boa bob boe bol bon boo bop bou bpa bpb bpe bpl bpn bpo bpp bpu bua bub bue bul bun buo bup buu eaa eab eae eal ean eao eap eau eba ebb ebe ebl ebn ebo ebp ebu eea eeb eee eel een eeo eep ela elb ele ell eln elo elp elu en- ena enb ene enl enn eno enp enu eo- eoa eob eoe eol eon eoo eop eou ep- epa epb epe epl epn epo epp epu eu- eua eub eue eul eun eup l-p la- laa lab lae lal lan lao lap lau lba lbb lbe lbl lbo lbp lbu lea leb lee lel len leo lep leu lla llb lle lll lln llo llp llu lna lnb lne lnl lnn lno lnp lnu loa lob loe lol lon loo lop lou lpa lpb lpe lpl lpn lpo lpp lpu lua lub lue lul lun luo lup luu naa nab nae nal nan nao nap nau nba nbb nbe nbl nbn nbo nbp nbu ne- nea neb nee nel nen neo nep neu nla nlb nle nll nln nlo nlp nlu nna nnb nne nnl nnn nno nnp nnu no- noa nob noe nol non noo nop nou npa npb npe npl npn npo npp npu nua nub nue nul nun nuo nup nuu oaa oab oae oal oan oao oap oau ob- oba obb obe obl obn obo obp obu oea oeb oee oel oen oeo oep ola olb ole oll oln olo olp olu on- ona onb one onl onn ono onp onu oo- ooa oob ool oon ooo oop op- opa opb ope opl opn opo opp ou- oua oue oul oun ouo oup p-p paa pab pae pal pan pao pap pau pba pbb pbe pbl pbn pbo pbp pbu pea peb pee pel pen peo pep peu pla plb ple pll pln plo plp plu pn- pna pnb pne pnl pnn pno pnp pnu poa pob poe pol pon poo pop pou ppa ppb ppe ppl ppn ppo ppp ppu pua pub pue pul pun pup puu ua- uaa uab uae ual uan uao uap uau uba ubb ube ubl ubn ubo ubp ubu uea ueb uee uel uen uep ula ulb ule ull uln ulo ulp ulu un- una unb une unl unn uno unp unu uoa uob uoe uol uon uoo uop up- upa upb upe upn upo upp upu uua uue uun uuu