-al -ol -up a-a a-b aaa aab aal aan aao aap aar aau ab- aba abb abl abn abo abp abr abu al- ala alb all aln alo alp alr alu an- ana anb anl ann ano anp anr anu aoa aob aol aon aoo aop aor aou ap- apa apb apl apn apo app apr apu ar- ara arb arl arn aro arp arr aru au- aua aub aul aun auo aup aur b-p b-u baa bab bal ban bao bap bar bau bba bbb bbl bbn bbo bbp bbr bbu bla blb bll bln blo blp blr blu bna bnb bnl bnn bno bnp bnr bnu boa bob bol bon boo bop bor bou bpa bpb bpl bpn bpo bpp bpr bpu bra brb brl brn bro brp brr bru bua bub bul bun buo bup bur buu l-p la- laa lab lal lan lao lap lar lau lba lbb lbl lbo lbp lbr lbu lla llb lll lln llo llp llr llu lna lnb lnl lnn lno lnp lnr lnu loa lob lol lon loo lop lor lou lpa lpb lpl lpn lpo lpp lpr lpu lra lrb lrn lro lrp lrr lru lua lub lul lun luo lup lur luu naa nab nal nan nao nap nar nau nba nbb nbl nbn nbo nbp nbr nbu nla nlb nll nln nlo nlp nlr nlu nna nnb nnl nnn nno nnp nnu no- noa nob nol non noo nop nor nou npa npb npl npn npo npp npr npu nra nrb nrl nrn nro nrp nrr nru nua nub nul nun nuo nup nur nuu oaa oab oal oan oao oap oar oau ob- oba obb obl obn obo obp obr obu ola olb oll oln olo olp olu on- ona onb onl onn ono onp onr onu oo- ooa oob ool oon ooo oop oor op- opa opb opl opn opo opp opr or- ora orb orl orn oro orp orr oru ou- oua oul oun ouo oup our p-p paa pab pal pan pao pap par pau pba pbb pbl pbn pbo pbp pbr pbu pla plb pll pln plo plp plr plu pn- pna pnb pnl pnn pno pnp pnr pnu poa pob pol pon poo pop por pou ppa ppb ppl ppn ppo ppp ppr ppu pra prb prl prn pro prp prr pru pua pub pul pun pup pur puu ra- raa rab ral ran rao rap rar rau rba rbb rbl rbn rbo rbp rbr rbu rla rll rln rlo rlp rlr rlu rna rnb rnn rno rnp rnr rnu roa rob rol ron roo rop ror rou rpa rpb rpl rpn rpo rpp rpr rpu rra rrb rrl rrn rrp rrr rru rua rub run ruo rup rur ruu ua- uaa uab ual uan uao uap uar uau uba ubb ubl ubn ubo ubp ubr ubu ula ulb ull uln ulo ulp ulr ulu un- una unb unl unn uno unp unr unu uoa uob uol uon uoo uop uor up- upa upb upn upo upp upr upu ur- ura urb url urn uro urp urr uru uua uun uur uuu