-ic -up b-p b-u bbb bbc bbe bbi bbn bbo bbp bbu bcb bcc bce bci bcn bco bcp bcu be- beb bec bee bei ben beo bep beu bi- bib bic bie bii bin bio bip biu bnb bnc bne bni bnn bno bnp bnu bob boc boe boi bon boo bop bou bpb bpc bpe bpi bpn bpo bpp bpu bub buc bue bui bun buo bup buu c-- cbb cbc cbe cbi cbn cbo cbp cbu ccb ccc cce cci ccn cco ccp ccu ce- ceb cec cee cei cen ceo cep ceu ci- cib cic cie cii cin cio cip ciu cn- cnb cnc cne cni cnn cno cnp cnu co- cob coc coe coi con coo cop cou cpb cpc cpe cpi cpn cpo cpp cpu cub cuc cue cui cun cuo cup cuu ebb ebc ebe ebi ebn ebo ebp ebu ec- ecb ecc ece eci ecn eco ecu eeb eec eee een eeo eep eib eic eie eii ein eio eip eiu en- enb enc ene eni enn eno enp enu eo- eob eoc eoe eoi eon eoo eop eou ep- epb epc epe epi epn epo epp epu eu- eub euc eue eui eun eup ibb ibc ibe ibi ibn ibo ibp ibu icb icc ice ici icn ico icp icu ie- iec iee iei ien iep iib iic iie iii iin iio iip iiu in- inb inc ine ini inn ino inp inu io- iob ioc ioe ioi ion ioo iop iou ipb ipc ipe ipi ipn ipo ipp ipu iu- iub iuc iue iui iup n-i nbb nbc nbe nbi nbn nbo nbp nbu ncb ncc nce nci ncn nco ncp ncu ne- neb nec nee nei nen neo nep neu nib nic nie nii nin nio nip niu nnb nnc nne nni nnn nno nnp nnu no- nob noc noe noi non noo nop nou npb npc npe npi npn npo npp npu nub nuc nue nui nun nuo nup nuu o-i ob- obb obc obe obi obn obo obp obu oc- ocb occ oci ocn oco ocp ocu oeb oec oee oei oen oeo oep oib oic oie oii oin oio oip oiu on- onb onc one oni onn ono onp onu oo- oob ooc ooi oon ooo oop op- opb opc ope opi opn opo opp ou- ouc oue oui oun ouo oup p-p pbb pbc pbe pbi pbn pbo pbp pbu pcb pcc pce pci pcn pco pcp pcu peb pec pee pei pen peo pep peu pib pic pie pii pin pio pip piu pn- pnb pnc pne pni pnn pno pnp pnu pob poc poe poi pon poo pop pou ppb ppc ppe ppi ppn ppo ppp ppu pub puc pue pui pun pup puu ubb ubc ube ubi ubn ubo ubp ubu ucb ucc uce uci ucn uco ucp ucu ueb uec uee uei uen uep uib uic uie uii uin uio uip uiu un- unb unc une uni unn uno unp unu uob uoc uoe uon uoo uop up- upb upc upe upi upn upo upp upu uuc uue uun uuu