-al -er -ol -up a-a a-b aaa aab aae aak aal aan aao aap aar aau ab- aba abb abe abk abl abn abo abp abr abu aea aeb aee aek ael aen aeo aep aer aeu aka akb ake akk akl akn ako akp akr aku al- ala alb ale alk all aln alo alp alr alu an- ana anb ane ank anl ann ano anp anr anu aoa aob aoe aok aol aon aoo aop aor aou ap- apa apb ape apk apl apn apo app apr apu ar- ara arb are ark arl arn aro arp arr aru au- aua aub aue auk aul aun auo aup aur b-p b-u baa bab bae bak bal ban bao bap bar bau bba bbb bbe bbk bbl bbn bbo bbp bbr bbu be- bea beb bee bek bel ben beo bep ber beu bka bkb bke bkk bkl bkn bko bkp bkr bla blb ble blk bll bln blo blp blr blu bna bnb bne bnk bnl bnn bno bnp bnr bnu boa bob boe bok bol bon boo bop bor bou bpa bpb bpe bpl bpn bpo bpp bpr bpu bra brb bre brk brl brn bro brp brr bru bua bub bue buk bul bun buo bup bur buu eaa eab eae eak eal ean eao eap ear eau eba ebb ebe ebk ebl ebn ebo ebp ebr ebu eea eeb eee eek eel een eeo eep eer eka ekb eke ekl eko ekp ekr eku ela elb ele elk ell eln elo elp elr elu en- ena enb ene enk enl enn eno enp enr enu eo- eoa eob eoe eok eol eon eoo eop eor eou ep- epa epb epe epl epn epo epp epr epu era erb ere erk erl ern ero erp err eru eu- eua eub eue eul eun eup eur ka- kaa kab kae kak kal kan kao kap kar kau kba kbb kbe kbk kbl kbn kbo kbp kbr kbu ke- kea keb kee kek kel ken keo kep ker kkb kke kkk kkl kkn kkp kkr kku kl- kla klb klo klr klu kn- kna kne knk knl knn kno knp knr knu koa kob koe kok kol kon koo kop kor kou kpa kpe kpk kpl kpn kpo kpp kpr kpu kra krk krl krn kro krp krr kru kub kue kuk kul kun kup kur kuu l-p la- laa lab lae lak lal lan lao lap lar lau lba lbb lbe lbk lbl lbo lbp lbr lbu lea leb lee lek lel len leo lep ler leu lka lkb lkl lkp lkr lla llb lle llk lll lln llo llp llr llu lna lnb lne lnk lnl lnn lno lnp lnr lnu loa lob loe lok lol lon loo lop lor lou lpa lpb lpe lpk lpl lpn lpo lpp lpr lpu lra lrb lrk lrn lro lrp lrr lru lua lub lue luk lul lun luo lup lur luu naa nab nae nak nal nan nao nap nar nau nba nbb nbe nbk nbl nbn nbo nbp nbr nbu ne- nea neb nee nek nel nen neo nep ner neu nka nke nkk nkn nko nkp nkr nku nla nlb nle nlk nll nln nlo nlp nlr nlu nna nnb nne nnk nnl nnn nno nnp nnu no- noa nob noe nok nol non noo nop nor nou npa npb npe npl npn npo npp npr npu nra nrb nre nrk nrl nrn nro nrp nrr nru nua nub nue nuk nul nun nuo nup nur nuu oaa oab oae oak oal oan oao oap oar oau ob- oba obb obe obk obl obn obo obp obr obu oea oeb oee oel oen oeo oep oer oka okb oke okk okl oko okp okr oku ola olb ole olk oll oln olo olp olu on- ona onb one onk onl onn ono onp onr onu oo- ooa oob ook ool oon ooo oop oor op- opa opb ope opk opl opn opo opp opr or- ora orb ore ork orl orn oro orp orr oru ou- oua oue ouk oul oun ouo oup our p-p paa pab pae pak pal pan pao pap par pau pba pbb pbe pbk pbl pbn pbo pbp pbr pbu pea peb pee pek pel pen peo pep per peu pka pkb pke pkl pkn pko pkp pkr pku pla plb ple plk pll pln plo plp plr plu pn- pna pnb pne pnk pnl pnn pno pnp pnr pnu poa pob poe pok pol pon poo pop por pou ppa ppb ppe ppk ppl ppn ppo ppp ppr ppu pra prb pre prk prl prn pro prp prr pru pua pub pue puk pul pun pup pur puu ra- raa rab rae rak ral ran rao rap rar rau rba rbb rbe rbk rbl rbn rbo rbp rbr rbu re- rea reb ree rek rel ren reo rep rer reu rkb rke rkk rko rkp rku rla rle rll rln rlo rlp rlr rlu rna rnb rnn rno rnp rnr rnu roa rob roe rok rol ron roo rop ror rou rpa rpb rpe rpk rpl rpn rpo rpp rpr rpu rra rrb rrk rrl rrn rrp rrr rru rua rub rue ruk run ruo rup rur ruu ua- uaa uab uae uak ual uan uao uap uar uau uba ubb ube ubk ubl ubn ubo ubp ubr ubu uea ueb uee uel uen uep uer uka ukb uke ukk ukl ukn ukp ukr uku ula ulb ule ulk ull uln ulo ulp ulr ulu un- una unb une unk unl unn uno unp unr unu uoa uob uoe uok uol uon uoo uop uor up- upa upb upe upk upn upo upp upr upu ur- ura urb ure urk url urn uro urp urr uru uua uue uun uur uuu