-up b-p b-u bbb bbd bbi bbo bbp bbq bbr bbu bdb bdd bdi bdo bdp bdq bdr bdu bi- bib bid bii bio bip bir biu bob bod boi boo bop boq bor bou bpb bpd bpi bpo bpp bpr bpu bqd bqp brb brd bri bro brp brq brr bru bub bud bui buo bup bur buu dbb dbd dbi dbo dbp dbq dbr dbu ddb ddd ddi ddo ddp ddq ddr ddu di- dib did dii dio dip diq dir diu dob dod doi doo dop doq dor dou dpb dpd dpi dpo dpp dpr dpu drb drd dri dro drp drq drr dru dub dud dui duo dup dur i-d ibb ibd ibi ibo ibp ibr ibu idb idd idi ido idp idq idr idu iib iid iii iio iip iir iiu io- iob iod ioi ioo iop ior iou ipb ipd ipi ipo ipp ipr ipu iqd iqu ir- irb ird iri iro irp irq irr iru iu- iub iud iui iup iur o-i ob- obb obd obi obo obp obr obu odb odd odi odo odp odr odu oib oid oii oio oip oir oiu oo- oob ood ooi ooo oop oor op- opb opd opi opo opp opq opr oqb oqo or- orb ord ori oro orp orr oru ou- oud oui ouo oup our p-p pbb pbd pbi pbo pbp pbr pbu pdb pdd pdi pdo pdp pdq pdr pdu pib pid pii pio pip piq pir piu pob pod poi poo pop por pou ppb ppd ppi ppo ppp ppq ppr ppu pqi pqq pqr prb prd pri pro prp prq prr pru pub pud pui pup pur puu qbd qbq qdb qdr qid qio qip qir qiu qoi qoo qop qor qpp qpr qqq qqu qrb qri qrp qru qu- qud qui quo qur rbb rbd rbi rbo rbp rbr rbu rdb rdd rdi rdo rdp rdr rdu rib rid rii rio rip riq rir rob rod roi roo rop ror rou rpb rpd rpi rpo rpp rpr rpu rrb rrd rri rrp rrq rrr rru rub rud rui ruo rup rur ruu ubb ubi ubo ubp ubr ubu udb udd udi udo udp udr udu uib uid uii uio uip uiq uir uiu uob uod uoo uop uor up- upb upd upi upo upp upr upu ur- urb urd uri uro urp urr uru uur uuu