-ic b-p bbb bbc bbh bbi bbn bbo bbp bbs bcb bcc bch bci bcn bco bcp bcs bhb bhc bhh bhi bho bhp bhs bi- bib bic bih bii bin bio bip bis bnb bnc bni bnn bno bnp bns bob boc boh boi bon boo bop bos bpb bpc bph bpi bpn bpo bpp bps bsb bsc bsh bsi bsn bso bsp bss c-- cbb cbc cbh cbi cbn cbo cbp cbs ccb ccc cch cci ccn cco ccp ccs ch- chb chc chh chi chn cho chp chs ci- cib cic cih cii cin cio cip cis cn- cnb cnc cnh cni cnn cno cnp cns co- cob coc coh coi con coo cop cos cpb cpc cph cpi cpn cpo cpp cps csb csc csh csi csn cso csp css h-i hbb hbc hbh hbi hbn hbo hbp hbs hcb hcc hch hci hcn hco hcp hcs hhb hhc hhh hhi hhn hho hhp hhs hib hic hih hii hin hio hip his hnb hnc hnh hnn hno hns hob hoc hoh hoi hon hoo hop hos hpb hpc hph hpi hpn hpo hpp hps hsb hsc hsh hsi hsn hsp hss ibb ibc ibh ibi ibn ibo ibp ibs icb icc ich ici icn ico icp ics ihb ihc ihh ihi ihn iho ihp ihs iib iic iih iii iin iio iip iis in- inb inc inh ini inn ino inp ins io- iob ioc ioh ioi ion ioo iop ios ipb ipc ipi ipn ipo ipp ips is- isb isc ish isi isn iso isp iss n-i nbb nbc nbi nbn nbo nbp nbs ncb ncc nch nci ncn nco ncp ncs nhb nhc nhh nhi nhn nhp nhs nib nic nih nii nin nio nip nis nnb nnc nnh nni nnn nno nnp nns no- nob noc noh noi non noo nop nos npb npc nph npi npn npo npp nps nsb nsc nsh nsi nsn nso nsp nss o-i ob- obb obc obh obi obn obo obp obs oc- ocb occ och oci ocn oco ocp ocs ohc ohh ohi ohn oho ohp ohs oib oic oii oin oio oip ois on- onb onc onh oni onn ono onp ons oo- oob ooc ooh ooi oon ooo oop oos op- opb opc oph opi opn opo opp ops os- osb osc osh osi osn oso osp oss p-p pbb pbc pbi pbn pbo pbp pbs pcb pcc pch pci pcn pco pcp pcs phb phc phi phn pho php phs pib pic pih pii pin pio pip pis pn- pnb pnc pnh pni pnn pno pnp pns pob poc poh poi pon poo pop pos ppb ppc pph ppi ppn ppo ppp pps ps- psb psc psh psi psn pso psp pss sbb sbc sbh sbi sbn sbo sbp sbs scb scc sch sci scn sco scp scs sh- shb shc shh shi shn sho shp shs sib sic sih sii sin sio sip sis snb snc sni snn sno snp sns sob soc soh soi son soo sop sos spb spc sph spi spn spo spp sps ss- ssb ssc ssh ssi ssn sso ssp sss