-er -th b-p bbb bbe bbh bbi bbo bbp bbr bbt be- beb bee beh bei beo bep ber bet bev bhb bhe bhh bhi bho bhp bhr bht bhv bi- bib bie bih bii bio bip bir bit biv bob boe boh boi boo bop bor bot bov bpb bpe bph bpi bpo bpp bpr bpt bpv brb bre brh bri bro brp brr brt brv btb bte bth bti bto btp btr btt btv bvb bve bvh bvi bvo bvp bvr bvt bvv ebb ebe ebh ebi ebo ebp ebr ebt ebv eeb eee eeo eep eer eet eev ehb ehe ehh ehi eho ehp ehr eht ehv eib eie eii eio eip eir eit eiv eo- eob eoe eoh eoi eoo eop eor eot ep- epb epe eph epi epo epp epr ept erb ere erh eri ero erp err ert erv etb ete eth eti eto etp etr ett etv evb eve evh evi evo evp evr evt evv h-i hbb hbe hbh hbi hbo hbp hbr hbt hbv he- heb hee heh hei heo hep her het hev hhb hhe hhh hhi hho hhp hhr hht hhv hib hie hih hii hio hip hir hit hiv hob hoe hoh hoi hoo hop hor hot hov hpb hpe hph hpi hpo hpp hpr hpt hpv hr- hrb hre hrh hri hro hrp hrr hrt hrv htb hte hth hti hto htp htr htt htv hv- hvb hvo hvp hvr hvt hvv i-v ibb ibe ibh ibi ibo ibp ibr ibt ibv ie- iee iei iep ier iet iev ihb ihe ihh ihi iho ihp ihr iht ihv iib iie iih iii iio iip iir iit io- iob ioe ioh ioi ioo iop ior iot iov ipb ipe ipi ipo ipp ipr ipt ipv ir- irb ire iri iro irp irr irt irv itb ite ith iti ito itp itt itv ivb ive ivi ivo ivp ivr ivt ivv o-i ob- obb obe obh obi obo obp obr obt obv oeb oee oeh oei oeo oep oer oet ohe ohh ohi oho ohp ohr oht oib oie oii oio oip oir oit oiv oo- oob ooh ooi ooo oop oor oot oov op- opb ope oph opi opo opp opr opt opv or- orb ore orh ori oro orp orr ort orv ot- otb ote oth oti oto otp otr ott otv ov- ovb ove ovh ovi ovo ovp ovv p-p pbb pbe pbi pbo pbp pbr pbt peb pee peh pei peo pep per pet pev phb phe phi pho php phr pht phv pib pie pih pii pio pip pir pit piv pob poe poh poi poo pop por pot pov ppb ppe pph ppi ppo ppp ppr ppt ppv prb pre prh pri pro prp prr prt prv pt- ptb pte pth pti pto ptp ptr ptt ptv pvb pve pvh pvi pvo pvp pvr pvt pvv rbb rbe rbh rbi rbo rbp rbr rbt re- reb ree reh rei reo rep rer ret rev rh- rhb rhe rhh rhi rho rhp rhr rht rhv rib rie rih rii rio rip rir rit riv rob roe roh roi roo rop ror rot rov rpb rpe rph rpi rpo rpp rpr rpt rpv rrb rrh rri rrp rrr rrt rtb rte rti rto rtp rtr rtt rtv rvb rve rvh rvi rvo rvp rvr rvt rvv tbb tbe tbh tbi tbo tbp tbr tbt tbv te- teb tee teh tei teo tep ter tet tev th- thb the thh thi tho thp thr tht thv tib tie tih tii tio tip tir tit tiv to- tob toe toh toi too top tor tot tov tpb tpe tph tpi tpo tpp tpr tpt tpv trb tre trh tri tro trp trr trt trv ttb tte tth tti tto ttp ttr ttt ttv tvb tve tvh tvi tvo tvp tvr tvt v-e vbh vbi vbo vbr vbv veb vee veh vei veo vep ver vet vh- vhb vhe vhi vho vhp vht vi- vib vie vii vio vip vir vit viv vob voe voh voi voo vop vor vot vov vpb vpe vph vpi vpo vpp vpr vpt vrb vre vrh vri vrp vrr vrt vtb vte vti vto vtr vtt vtv vvb vvi vvo vvr vvt vvv