-er -ic -th bbb bbc bbe bbh bbi bbr bbt bcb bcc bce bch bci bcr bct bcv be- beb bec bee beh bei ber bet bev bhb bhc bhe bhh bhi bhr bht bhv bi- bib bic bie bih bii bir bit biv brb bre brh bri brr brt brv btb btc bte bth bti btr btt btv bvb bvc bve bvh bvi bvr bvt bvv c-- cbb cbc cbe cbh cbi cbr cbt cbv ccb ccc cce cch cci ccr cct ccv ce- ceb cec cee ceh cei cer cet cev ch- chb chc che chh chi chr cht chv ci- cib cic cie cih cii cir cit civ crb crc cre crh cri crr crt crv ctb ctc cte cth cti ctr ctt ctv cvb cvc cve cvh cvi cvr cvt cvv ebb ebc ebe ebh ebi ebr ebt ebv ec- ecb ecc ece ech eci ecr ect ecv eeb eec eee eer eet eev ehb ehc ehe ehh ehi ehr eht ehv eib eic eie eii eir eit eiv erb erc ere erh eri err ert erv etb etc ete eth eti etr ett etv evb evc eve evh evi evr evt evv h-i hbb hbc hbe hbh hbi hbr hbt hbv hcb hcc hce hch hci hcr hct hcv he- heb hec hee heh hei her het hev hhb hhc hhe hhh hhi hhr hht hhv hib hic hie hih hii hir hit hiv hr- hrb hrc hre hrh hri hrr hrt hrv htb htc hte hth hti htr htt htv hv- hvb hvc hvr hvt hvv i-v ibb ibc ibe ibh ibi ibr ibt ibv icb icc ice ich ici icr ict icv ie- iec iee iei ier iet iev ihb ihc ihe ihh ihi ihr iht ihv iib iic iie iih iii iir iit ir- irb irc ire iri irr irt irv itb itc ite ith iti itt itv ivb ivc ive ivi ivr ivt ivv rbb rbc rbe rbh rbi rbr rbt rcb rcc rce rch rci rcr rct rcv re- reb rec ree reh rei rer ret rev rh- rhb rhc rhe rhh rhi rhr rht rhv rib ric rie rih rii rir rit riv rrb rrc rrh rri rrr rrt rtb rtc rte rti rtr rtt rtv rvb rvc rve rvh rvi rvr rvt rvv tbb tbc tbe tbh tbi tbr tbt tbv tcb tcc tce tch tci tcr tct tcv te- teb tec tee teh tei ter tet tev th- thb thc the thh thi thr tht thv tib tic tie tih tii tir tit tiv trb trc tre trh tri trr trt trv ttb ttc tte tth tti ttr ttt ttv tvb tvc tve tvh tvi tvr tvt v-e vbc vbh vbi vbr vbv vcc vce vch vci vcr vct veb vec vee veh vei ver vet vh- vhb vhc vhe vhi vht vi- vib vic vie vii vir vit viv vrb vrc vre vrh vri vrr vrt vtb vtc vte vti vtr vtt vtv vvb vvc vvi vvr vvt vvv