-ic -th b-p bbb bbc bbh bbi bbn bbo bbp bbt bcb bcc bch bci bcn bco bcp bct bhb bhc bhh bhi bho bhp bht bi- bib bic bih bii bin bio bip bit bnb bnc bni bnn bno bnp bnt bob boc boh boi bon boo bop bot bpb bpc bph bpi bpn bpo bpp bpt btb btc bth bti btn bto btp btt c-- cbb cbc cbh cbi cbn cbo cbp cbt ccb ccc cch cci ccn cco ccp cct ch- chb chc chh chi chn cho chp cht ci- cib cic cih cii cin cio cip cit cn- cnb cnc cnh cni cnn cno cnp cnt co- cob coc coh coi con coo cop cot cpb cpc cph cpi cpn cpo cpp cpt ctb ctc cth cti ctn cto ctp ctt h-i hbb hbc hbh hbi hbn hbo hbp hbt hcb hcc hch hci hcn hco hcp hct hhb hhc hhh hhi hhn hho hhp hht hib hic hih hii hin hio hip hit hnb hnc hnh hnn hno hnt hob hoc hoh hoi hon hoo hop hot hpb hpc hph hpi hpn hpo hpp hpt htb htc hth hti htn hto htp htt ibb ibc ibh ibi ibn ibo ibp ibt icb icc ich ici icn ico icp ict ihb ihc ihh ihi ihn iho ihp iht iib iic iih iii iin iio iip iit in- inb inc inh ini inn ino inp int io- iob ioc ioh ioi ion ioo iop iot ipb ipc ipi ipn ipo ipp ipt itb itc ith iti itn ito itp itt n-i nbb nbc nbi nbn nbo nbp nbt ncb ncc nch nci ncn nco ncp nct nhb nhc nhh nhi nhn nhp nht nib nic nih nii nin nio nip nit nnb nnc nnh nni nnn nno nnp nnt no- nob noc noh noi non noo nop not npb npc nph npi npn npo npp npt ntb ntc nth nti ntn nto ntp ntt o-i ob- obb obc obh obi obn obo obp obt oc- ocb occ och oci ocn oco ocp oct ohc ohh ohi ohn oho ohp oht oib oic oii oin oio oip oit on- onb onc onh oni onn ono onp ont oo- oob ooc ooh ooi oon ooo oop oot op- opb opc oph opi opn opo opp opt ot- otb otc oth oti otn oto otp ott p-p pbb pbc pbi pbn pbo pbp pbt pcb pcc pch pci pcn pco pcp pct phb phc phi phn pho php pht pib pic pih pii pin pio pip pit pn- pnb pnc pnh pni pnn pno pnp pnt pob poc poh poi pon poo pop pot ppb ppc pph ppi ppn ppo ppp ppt pt- ptb ptc pth pti ptn pto ptp ptt tbb tbc tbh tbi tbn tbo tbp tbt tcb tcc tch tci tcn tco tcp tct th- thb thc thh thi thn tho thp tht tib tic tih tii tin tio tip tit tnb tnc tnh tni tnn tno tnp tnt to- tob toc toh toi ton too top tot tpb tpc tph tpi tpn tpo tpp tpt ttb ttc tth tti ttn tto ttp ttt