-ic b-p bbb bbc bbe bbh bbi bbn bbo bbp bcb bcc bce bch bci bcn bco bcp be- beb bec bee beh bei ben beo bep bhb bhc bhe bhh bhi bho bhp bi- bib bic bie bih bii bin bio bip bnb bnc bne bni bnn bno bnp bob boc boe boh boi bon boo bop bpb bpc bpe bph bpi bpn bpo bpp c-- cbb cbc cbe cbh cbi cbn cbo cbp ccb ccc cce cch cci ccn cco ccp ce- ceb cec cee ceh cei cen ceo cep ch- chb chc che chh chi chn cho chp ci- cib cic cie cih cii cin cio cip cn- cnb cnc cne cnh cni cnn cno cnp co- cob coc coe coh coi con coo cop cpb cpc cpe cph cpi cpn cpo cpp ebb ebc ebe ebh ebi ebn ebo ebp ec- ecb ecc ece ech eci ecn eco eeb eec eee een eeo eep ehb ehc ehe ehh ehi ehn eho ehp eib eic eie eii ein eio eip en- enb enc ene enh eni enn eno enp eo- eob eoc eoe eoh eoi eon eoo eop ep- epb epc epe eph epi epn epo epp h-i hbb hbc hbe hbh hbi hbn hbo hbp hcb hcc hce hch hci hcn hco hcp he- heb hec hee heh hei hen heo hep hhb hhc hhe hhh hhi hhn hho hhp hib hic hie hih hii hin hio hip hnb hnc hne hnh hnn hno hob hoc hoe hoh hoi hon hoo hop hpb hpc hpe hph hpi hpn hpo hpp ibb ibc ibe ibh ibi ibn ibo ibp icb icc ice ich ici icn ico icp ie- iec iee iei ien iep ihb ihc ihe ihh ihi ihn iho ihp iib iic iie iih iii iin iio iip in- inb inc ine inh ini inn ino inp io- iob ioc ioe ioh ioi ion ioo iop ipb ipc ipe ipi ipn ipo ipp n-i nbb nbc nbe nbi nbn nbo nbp ncb ncc nce nch nci ncn nco ncp ne- neb nec nee neh nei nen neo nep nhb nhc nhe nhh nhi nhn nhp nib nic nie nih nii nin nio nip nnb nnc nne nnh nni nnn nno nnp no- nob noc noe noh noi non noo nop npb npc npe nph npi npn npo npp o-i ob- obb obc obe obh obi obn obo obp oc- ocb occ och oci ocn oco ocp oeb oec oee oeh oei oen oeo oep ohc ohe ohh ohi ohn oho ohp oib oic oie oii oin oio oip on- onb onc one onh oni onn ono onp oo- oob ooc ooh ooi oon ooo oop op- opb opc ope oph opi opn opo opp p-p pbb pbc pbe pbi pbn pbo pbp pcb pcc pce pch pci pcn pco pcp peb pec pee peh pei pen peo pep phb phc phe phi phn pho php pib pic pie pih pii pin pio pip pn- pnb pnc pne pnh pni pnn pno pnp pob poc poe poh poi pon poo pop ppb ppc ppe pph ppi ppn ppo ppp