-ic -up b-p b-u bbb bbc bbi bbk bbn bbp bbr bbu bcb bcc bci bck bcn bcp bcr bcu bi- bib bic bii bik bin bip bir biu bkb bkc bkk bkn bkp bkr bnb bnc bni bnk bnn bnp bnr bnu bpb bpc bpi bpn bpp bpr bpu brb bri brk brn brp brr bru bub buc bui buk bun bup bur buu c-- cbb cbc cbi cbk cbn cbp cbr cbu ccb ccc cci cck ccn ccp ccr ccu ci- cib cic cii cik cin cip cir ciu ckb ckc cki cn- cnb cnc cni cnn cnp cnr cnu cpb cpc cpi cpk cpn cpp cpr cpu crb crc cri crk crn crp crr cru cub cuc cui cuk cun cup cur cuu ibb ibc ibi ibk ibn ibp ibr ibu icb icc ici ick icn icp icr icu iib iic iii iin iip iir iiu ikb ikc iki ikk ikr iku in- inb inc ini ink inn inp inr inu ipb ipc ipi ipn ipp ipr ipu ir- irb irc iri irk irn irp irr iru iu- iub iuc iui iup iur kbb kbc kbi kbk kbn kbp kbr kbu kcb kcc kci kck kcn kcp kcr kcu kib kic kii kik kin kip kir kiu kkb kkc kki kkk kkn kkp kkr kku kn- knc kni knk knn knp knr knu kpc kpi kpk kpn kpp kpr kpu krc kri krk krn krp krr kru kub kuc kui kuk kun kup kur kuu n-i nbb nbc nbi nbk nbn nbp nbr nbu ncb ncc nci nck ncn ncp ncr ncu nib nic nii nik nin nip nir niu nkc nki nkk nkn nkp nkr nku nnb nnc nni nnk nnn nnp nnu npb npc npi npn npp npr npu nrb nrc nri nrk nrn nrp nrr nru nub nuc nui nuk nun nup nur nuu p-p pbb pbc pbi pbk pbn pbp pbr pbu pcb pcc pci pck pcn pcp pcr pcu pib pic pii pik pin pip pir piu pkb pkc pki pkn pkp pkr pku pn- pnb pnc pni pnk pnn pnp pnr pnu ppb ppc ppi ppk ppn ppp ppr ppu prb prc pri prk prn prp prr pru pub puc pui puk pun pup pur puu rbb rbc rbi rbk rbn rbp rbr rbu rcb rcc rci rcn rcp rcr rcu rib ric rii rik rin rip rir rkb rkc rkk rkp rku rnb rnc rni rnn rnp rnr rnu rpb rpc rpi rpk rpn rpp rpr rpu rrb rrc rri rrk rrn rrp rrr rru rub ruc rui ruk run rup rur ruu ubb ubc ubi ubk ubn ubp ubr ubu ucb ucc uci uck ucn ucp ucr ucu uib uic uii uin uip uir uiu ukb ukc uki ukk ukn ukp ukr uku un- unb unc uni unk unn unp unr unu up- upb upc upi upk upn upp upr upu ur- urb urc uri urk urn urp urr uru uuc uun uur uuu