b-p bbb bbd bbi bbo bbp bbr bbs bbt bdb bdd bdi bdo bdp bdr bds bdt bi- bib bid bii bio bip bir bis bit bob bod boi boo bop bor bos bot bpb bpd bpi bpo bpp bpr bps bpt brb brd bri bro brp brr brs brt bsb bsd bsi bso bsp bsr bss bst btb btd bti bto btp btr bts btt dbb dbd dbi dbo dbp dbr dbs dbt ddb ddd ddi ddo ddp ddr dds ddt di- dib did dii dio dip dir dis dit dob dod doi doo dop dor dos dot dpb dpd dpi dpo dpp dpr dps dpt drb drd dri dro drp drr drs drt dsb dsd dsi dso dsp dsr dss dst dtb dtd dti dto dtp dtr dts dtt i-d ibb ibd ibi ibo ibp ibr ibs ibt idb idd idi ido idp idr ids idt iib iid iii iio iip iir iis iit io- iob iod ioi ioo iop ior ios iot ipb ipd ipi ipo ipp ipr ips ipt ir- irb ird iri iro irp irr irs irt is- isb isd isi iso isp isr iss ist itb itd iti ito itp its itt o-i ob- obb obd obi obo obp obr obs obt odb odd odi odo odp odr ods odt oib oid oii oio oip oir ois oit oo- oob ood ooi ooo oop oor oos oot op- opb opd opi opo opp opr ops opt or- orb ord ori oro orp orr ors ort os- osb osd osi oso osp osr oss ost ot- otb otd oti oto otp otr ots ott p-p pbb pbd pbi pbo pbp pbr pbs pbt pdb pdd pdi pdo pdp pdr pds pdt pib pid pii pio pip pir pis pit pob pod poi poo pop por pos pot ppb ppd ppi ppo ppp ppr pps ppt prb prd pri pro prp prr prs prt ps- psb psd psi pso psp psr pss pst pt- ptb ptd pti pto ptp ptr pts ptt rbb rbd rbi rbo rbp rbr rbs rbt rdb rdd rdi rdo rdp rdr rds rdt rib rid rii rio rip rir ris rit rob rod roi roo rop ror ros rot rpb rpd rpi rpo rpp rpr rps rpt rrb rrd rri rrp rrr rrs rrt rsb rsd rsi rso rsp rsr rss rst rtb rtd rti rto rtp rtr rts rtt sbb sbd sbi sbo sbp sbr sbs sbt sdb sdd sdi sdo sdp sdr sds sdt sib sid sii sio sip sir sis sit sob sod soi soo sop sor sos sot spb spd spi spo spp spr sps spt sr- srb srd sri sro srp srr srs srt ss- ssb ssd ssi sso ssp ssr sss sst stb std sti sto stp str sts stt tbb tbd tbi tbo tbp tbr tbs tbt tdb tdd tdi tdo tdp tdr tds tdt tib tid tii tio tip tir tis tit to- tob tod toi too top tor tos tot tpb tpd tpi tpo tpp tpr tps tpt trb trd tri tro trp trr trs trt tsb tsd tsi tso tsp tsr tss tst ttb ttd tti tto ttp ttr tts ttt

bbbb bbbs bbdd bbdo bbpr bd-r bdii bdos bdsd bibb bibi bibo bibs bidi bido bidr bids biis bio- bioi bios biot bipp bips birb bird biri biro birr birs birt bis- bisd biso bisp biss bist bitd bito bits bitt bobb bobi bobo bobs bodb bodi bodo bods boi- boid boii bois boit boob bood boop boor boos boot bopp bops bor- bord bori boro borr bors bort bosi boso boss bost botb botd boti boto bots bott bpot bprd bpti brdo brds brdt brid brio bris brit brob brod broo bror bros brot brrr brrs brsb brsr brst bsbd bsod bsos bspp bspr bsrd bssd bsts btbp btdt btob btor btps btrt btss bttb d-bo dbit dbos dbpd dbrs dbss dbtt dddd ddot ddpo ddps ddss ddts dibb dibo dibp dibs didi dido dids diii diis diop dior dios diot dipo dipp dips dipt dird dirr dirs dirt dis- disd disi diso disp diss dist diti dito dits ditt dobb dobi dobs dod- dodd dodi dodo dods doid dois doit doob dood doop door doos doot dopo dopp dopr dops dopt dord dori doro dorp dorr dors dort dosi doso doss dost dotd doti doto dots dott dpdt dpos dpsd dpst dpts drib drip drit drob drod drop drot drrs drsp dsdp dsdr dsip dsos dsps dspt dsri dsrp dsrr dssi dssp dsst dsto dsts dtdp dtor dtot dtss dttp ibdo ibid ibis ibos ibot ibrd ibri ibro ibss ibtb ibts iddo idid idio idir idis idos idps idro idso idss idtp idts iiii iiio iiis iiit iioi iioo iiop iios iirs iisd iisi iisp iisr iist iitr iitt iobi iod- iodd iodo ioii ioio ioit iooi iooo ioos iops iori iors ioso ioto ipdi ipid ipod ipop ipos ippo ippr ipri ipsi ipso ipsp ipss ipto ipts irbp irdo irdp irds iri- irid irio irip iris irob irod irop irps irri irrs irsp irti irtp irts isbd isbt isdb isds isis isit iso- isop isor isos ispr isps isri isrp issi isso issp issr isss istd isti isto istp istr ists itbs itdo itis itoi itoo itor itos itri itrs itsi itso itsp itto obbo obdt obid obis obit oboi obor obos obot obri obro obsd obsr obss obst obtd obts odbo oddd oddi odds odio odir odis odoo odop odor odos odot odrp odso odts oido oids oiii oios oirt oisd oist oiti oobi oodi ooid oooo ooos oops oord oort oosi oost ootb ootp oots opds opii opio opis opit opo- opor opos oppi oppo opps opsi opti opto opts orbb orbi orbo orbs ordo ords ori- orid orio oris orit oro- oror oros orot orpi orps orri orro orrs orsi orso orto orts osbp osdi osii osip osis osoi osoo osor osos osrd osro ossb ossd ossi osso osti ostr osts otbd otbs otis