-al -ol -up a-a a-b aaa aab aad aal aao aap aar aau ab- aba abb abd abl abo abp abr abu ad- ada adb add adl ado adp adr adu al- ala alb ald all alo alp alr alu aoa aob aod aol aoo aop aor aou ap- apa apb apd apl apo app apr apu ar- ara arb ard arl aro arp arr aru au- aua aub aud aul auo aup aur b-p b-u baa bab bad bal bao bap bar bau bba bbb bbd bbl bbo bbp bbr bbu bda bdb bdd bdl bdo bdp bdr bdu bla blb bld bll blo blp blr blu boa bob bod bol boo bop bor bou bpa bpb bpd bpl bpo bpp bpr bpu bra brb brd brl bro brp brr bru bua bub bud bul buo bup bur buu daa dab dad dal dao dap dar dau dba dbb dbd dbl dbo dbp dbr dbu dda ddb ddd ddl ddo ddp ddr ddu dl- dla dlb dld dll dlo dlp dlr dlu doa dob dod dol doo dop dor dou dpa dpb dpd dpl dpo dpp dpr dpu dra drb drd drl dro drp drr dru dua dub dud dul duo dup dur l-p la- laa lab lad lal lao lap lar lau lba lbb lbd lbl lbo lbp lbr lbu lda ldb ldd ldl ldo ldp ldr ldu lla llb lld lll llo llp llr llu loa lob lod lol loo lop lor lou lpa lpb lpd lpl lpo lpp lpr lpu lra lrb lrd lro lrp lrr lru lua lub lud lul luo lup lur luu oaa oab oad oal oao oap oar oau ob- oba obb obd obl obo obp obr obu oda odb odd odl odo odp odr odu ola olb old oll olo olp olu oo- ooa oob ood ool ooo oop oor op- opa opb opd opl opo opp opr or- ora orb ord orl oro orp orr oru ou- oua oud oul ouo oup our p-p paa pab pad pal pao pap par pau pba pbb pbd pbl pbo pbp pbr pbu pda pdb pdd pdl pdo pdp pdr pdu pla plb pld pll plo plp plr plu poa pob pod pol poo pop por pou ppa ppb ppd ppl ppo ppp ppr ppu pra prb prd prl pro prp prr pru pua pub pud pul pup pur puu ra- raa rab rad ral rao rap rar rau rba rbb rbd rbl rbo rbp rbr rbu rda rdb rdd rdl rdo rdp rdr rdu rla rld rll rlo rlp rlr rlu roa rob rod rol roo rop ror rou rpa rpb rpd rpl rpo rpp rpr rpu rra rrb rrd rrl rrp rrr rru rua rub rud ruo rup rur ruu ua- uaa uab uad ual uao uap uar uau uba ubb ubl ubo ubp ubr ubu uda udb udd udl udo udp udr udu ula ulb uld ull ulo ulp ulr ulu uoa uob uod uol uoo uop uor up- upa upb upd upo upp upr upu ur- ura urb urd url uro urp urr uru uua uur uuu