-ic -th b-p bbb bbc bbh bbi bbo bbp bbr bbt bby bcb bcc bch bci bco bcp bcr bct bcy bhb bhc bhh bhi bho bhp bhr bht bi- bib bic bih bii bio bip bir bit biy bob boc boh boi boo bop bor bot boy bpb bpc bph bpi bpo bpp bpr bpt bpy brb brh bri bro brp brr brt bry btb btc bth bti bto btp btr btt bty by- byc byh byi byo byp byr byt c-- cbb cbc cbh cbi cbo cbp cbr cbt cby ccb ccc cch cci cco ccp ccr cct ch- chb chc chh chi cho chp chr cht chy ci- cib cic cih cii cio cip cir cit co- cob coc coh coi coo cop cor cot coy cpb cpc cph cpi cpo cpp cpr cpt crb crc crh cri cro crp crr crt cry ctb ctc cth cti cto ctp ctr ctt cty cyb cyc cyo cyp cyr cyt h-i hbb hbc hbh hbi hbo hbp hbr hbt hby hcb hcc hch hci hco hcp hcr hct hcy hhb hhc hhh hhi hho hhp hhr hht hhy hib hic hih hii hio hip hir hit hob hoc hoh hoi hoo hop hor hot hoy hpb hpc hph hpi hpo hpp hpr hpt hpy hr- hrb hrc hrh hri hro hrp hrr hrt htb htc hth hti hto htp htr htt hty hy- hyb hyc hyh hyi hyo hyp hyr hyt hyy ibb ibc ibh ibi ibo ibp ibr ibt iby icb icc ich ici ico icp icr ict icy ihb ihc ihh ihi iho ihp ihr iht ihy iib iic iih iii iio iip iir iit io- iob ioc ioh ioi ioo iop ior iot ipb ipc ipi ipo ipp ipr ipt ipy ir- irb irc iri iro irp irr irt iry itb itc ith iti ito itp itt ity iyc iyo iyr iyt iyy o-i ob- obb obc obh obi obo obp obr obt oby 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 opy or- orb orc orh ori oro orp orr ort ory ot- otb otc oth oti oto otp otr ott oyi oyo p-p pbb pbc pbi pbo pbp pbr pbt pby pcb pcc pch pci pco pcp pcr pct phb phc phi pho php phr pht phy pib pic pih pii pio pip pir pit pob poc poh poi poo pop por pot poy ppb ppc pph ppi ppo ppp ppr ppt prb prc prh pri pro prp prr prt pry pt- ptb ptc pth pti pto ptp ptr ptt pty py- pyb pyc pyo pyr pyt 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 riy rob roc roh roi roo rop ror rot roy rpb rpc rph rpi rpo rpp rpr rpt rrb rrc rrh rri rrp rrr rrt rtb rtc rti rto rtp rtr rtt rty ry- ryc ryo ryr ryy 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 thy tib tic tih tii tio tip tir tit tiy to- tob toc toh toi too top tor tot toy tpb tpc tph tpi tpo tpp tpr tpt trb trc trh tri tro trp trr trt try ttb ttc tth tti tto ttp ttr ttt tty tyc tyo typ tyr tyt ybc ybi ybp ybr yby ycc ych yci yco ycp ycy yhc yhi yht yih yii yio yip yir yit yob yoc yoi yoo yop yor yot yoy ypo yrc yro yrp yrt ytc yth yto ytp ytr ytt yyb yyc yyt yyy