-ic -th b-p bbb bbc bbh bbi bbo bbp bbr bbt bcb bcc bch bci bco bcp bcr bct bhb bhc bhh bhi bho bhp bhr bht bi- bib bic bih bii bio bip bir bit bob boc boh boi boo bop bor bot bpb bpc bph bpi bpo bpp bpr bpt brb brh bri bro brp brr brt btb btc bth bti bto btp btr btt c-- cbb cbc cbh cbi cbo cbp cbr cbt ccb ccc cch cci cco ccp ccr cct ch- chb chc chh chi cho chp chr cht ci- cib cic cih cii cio cip cir cit co- cob coc coh coi coo cop cor cot cpb cpc cph cpi cpo cpp cpr cpt crb crc crh cri cro crp crr crt ctb ctc cth cti cto ctp ctr ctt h-i hbb hbc hbh hbi hbo hbp hbr hbt hcb hcc hch hci hco hcp hcr hct hhb hhc hhh hhi hho hhp hhr hht hib hic hih hii hio hip hir hit hob hoc hoh hoi hoo hop hor hot hpb hpc hph hpi hpo hpp hpr hpt hr- hrb hrc hrh hri hro hrp hrr hrt htb htc hth hti hto htp htr htt ibb ibc ibh ibi ibo ibp ibr ibt icb icc ich ici ico icp icr ict ihb ihc ihh ihi iho ihp ihr iht iib iic iih iii iio iip iir iit io- iob ioc ioh ioi ioo iop ior iot ipb ipc ipi ipo ipp ipr ipt ir- irb irc iri iro irp irr irt itb itc ith iti ito itp itt o-i ob- obb obc obh obi obo obp obr obt oc- ocb occ och oci oco ocp ocr oct ohc ohh ohi oho ohp ohr oht oib oic oii oio oip oir oit oo- oob ooc ooh ooi ooo oop oor oot op- opb opc oph opi opo opp opr opt or- orb orc orh ori oro orp orr ort ot- otb otc oth oti oto otp otr ott p-p pbb pbc pbi pbo pbp pbr pbt pcb pcc pch pci pco pcp pcr pct phb phc phi pho php phr pht pib pic pih pii pio pip pir pit pob poc poh poi poo pop por pot ppb ppc pph ppi ppo ppp ppr ppt prb prc prh pri pro prp prr prt pt- ptb ptc pth pti pto ptp ptr ptt rbb rbc rbh rbi rbo rbp rbr rbt rcb rcc rch rci rco rcp rcr rct rh- rhb rhc rhh rhi rho rhp rhr rht rib ric rih rii rio rip rir rit rob roc roh roi roo rop ror rot rpb rpc rph rpi rpo rpp rpr rpt rrb rrc rrh rri rrp rrr rrt rtb rtc rti rto rtp rtr rtt tbb tbc tbh tbi tbo tbp tbr tbt tcb tcc tch tci tco tcp tcr tct th- thb thc thh thi tho thp thr tht tib tic tih tii tio tip tir tit to- tob toc toh toi too top tor tot tpb tpc tph tpi tpo tpp tpr tpt trb trc trh tri tro trp trr trt ttb ttc tth tti tto ttp ttr ttt