-th bbb bbd bbf bbh bbi bbo bbr bbt bdb bdd bdf bdh bdi bdo bdr bdt bfb bfd bff bfh bfi bfo bfr bft bhb bhd bhf bhh bhi bho bhr bht bi- bib bid bif bih bii bio bir bit bob bod bof boh boi boo bor bot brb brd brf brh bri bro brr brt btb btd btf bth bti bto btr btt dbb dbd dbf dbh dbi dbo dbr dbt ddb ddd ddf ddh ddi ddo ddr ddt dfb dfd dff dfh dfi dfo dfr dft dh- dhb dhd dhf dhh dhi dho dhr dht di- dib did dif dih dii dio dir dit dob dod dof doh doi doo dor dot drb drd dri dro drr drt dtb dtd dtf dth dti dto dtr dtt fbb fbd fbf fbh fbi fbo fbr fbt fdb fdd fdf fdh fdi fdo fdr fdt ffd fff ffh ffi ffo ffr fft fhb fhf fhh fhi fho fhr fib fid fif fih fii fir fit fob fof foh foi foo for fot frb frd frf frh fri fro frr frt ftb ftd ftf fth fti fto ftr ftt h-i hbb hbd hbf hbh hbi hbo hbr hbt hdb hdd hdf hdh hdi hdo hdr hdt hfb hfd hff hfh hfi hfo hfr hft hhb hhd hhf hhh hhi hho hhr hht hib hid hif hih hii hio hir hit hob hod hof hoh hoi hoo hor hot hr- hrb hrd hrf hrh hri hro hrr hrt htb htd htf hth hti hto htr htt i-d i-f ibb ibd ibf ibh ibi ibo ibr ibt idb idd idf idh idi ido idr idt ifb ifd iff ifi ifo ifr ift ihb ihd ihf ihh ihi iho ihr iht iib iid iif iih iii iio iir iit io- iob iod iof ioh ioi ioo ior iot ir- irb ird irf iri iro irr irt itb itd itf ith iti ito itt o-i ob- obb obd obf obh obi obo obr obt odb odd odf odh odi odo odr odt of- ofb ofd off ofi ofo ofr oft ohd ohf ohh ohi oho ohr oht oib oid oif oii oio oir oit oo- oob ood oof ooh ooi ooo oor oot or- orb ord orf orh ori oro orr ort ot- otb otd otf oth oti oto otr ott rbb rbd rbf rbh rbi rbo rbr rbt rdb rdd rdf rdh rdi rdo rdr rdt rfb rfd rff rfh rfi rfo rfr rft rh- rhb rhd rhf rhh rhi rho rhr rht rib rid rif rih rii rio rir rit rob rod rof roh roi roo ror rot rrb rrd rrf rrh rri rrr rrt rtb rtd rtf rti rto rtr rtt tbb tbd tbf tbh tbi tbo tbr tbt tdb tdd tdf tdh tdi tdo tdr tdt tfb tfd tff tfh tfi tfo tfr tft th- thb thd thf thh thi tho thr tht tib tid tif tih tii tio tir tit to- tob tod tof toh toi too tor tot trb trd trf trh tri tro trr trt ttb ttd ttf tth tti tto ttr ttt

bbbb bbdd bbdo bd-r bddh bdii bftt bhff bhir bhit bhoi bhor bhot bhrt bibb bibi bibo bidi bido bidr biff bifi bihi bio- bioi biot birb bird biri biro birr birt bitd bith bito bitt bobb bobi bobo bodb bodh bodi bodo bofd boff bofh bohd boho bohr boht boi- boid boii boit boob bood boof booh boor boot bor- bord borf borh bori boro borr bort botb botd both boti boto bott brdo brdt brid brih brio brit brob brod broh broo bror brot brrr btdt btob btor btrt bttb d-bo dbfo dbit dbtt dddd ddot dfdt dfrf dfri dftr dhod dhor dibb dibo didi dido dif- diff diii dior diot dird dirr dirt dith diti dito ditt dobb dobi dod- dodd dodi dodo doff dohr doid doit doob dood doof door doot dord dorf dori doro dorr dort dotd doth doti doto dott drib drif drih drit drob drod drof droh drot dthd dtor dtot fdot fdti ffff ffii ffrr fftf fhit fidf fido fiff fifi fifo fift fiii fior fiti fitt fobt fofo fohr foid food foof foot for- forb ford fori foro forr fort foth foti foto fott frib frid frio frit frob froh frot ftdi ftii h-ii hbio hbit hdif hdod hdri hdtt hhhh hhof hibi hibt hidi hiff hifh hifi hifo hifr hihi hiho hiht hiit hiob hird hirf hiri hiro hirt hiti hito hitt hobo hodh hodi hodr hoff hoho hoid hoif hoir hoit hood hoof hoor hoot hord hori horo horr hort hotb hotd hoth hoti hoto hotr hott hrib hrid hrit hrob hrod hrtb htoh httr ibdo ibfi ibid ibot ibrd ibri ibro ibtb iddo idid idio idir idrf idro ifbb ifht ifid ifit ifor ifrb ifrf ifri ifto ihdr ihit ihob ihrd iiht iiii iiio iiit iioi iioo iitr iitt iobi iod- iodd iodo ioii ioio ioit ioof iooi iooo iori iotf ioto irdo iri- irid irio irob irod iroh irri irtf irti itdo itif itof itoh itoi itoo itor itrf itri ittf itto obbo obdt obid obit oboi obor obot obrh obri obro obtd odbo oddd oddi odio odir odoh odoo odor odot ofdr off- offh offo offr ofid ofit ofor ohhi ohho ohid ohif ohio ohob ohoh ohto oido oiii oirt oiti oobi oodi ooff ooho ooid oooh oooo oord oort ootb orbb orbi orbo ordo orff orfi ori- orid orif orio orit oro- orof oror orot orri orro orth orto otbd otho othr otif otit oto- otof otoh otoo otor otro otti otto rbbb rbbr rboh rdio rfdi rfid rhib rhio rhob rhod rhoh rib- ribo ridd ridi rido riff rift riho riht riif riot riri rith riti rito ritt rob- robb robi robo robt rodd rodi rodo roff rofo rohr roid roif roio roir roit roob rood roof rooi roor root rori roro rort roth roti roto rotr rott rrif rrrr rtbf rtdt rtfb tbit tbrb tddb tdff tdor