b-p bbb bbd bbh bbi bbo bbp bbr bbs bdb bdd bdh bdi bdo bdp bdr bds bhb bhd bhh bhi bho bhp bhr bhs bi- bib bid bih bii bio bip bir bis bob bod boh boi boo bop bor bos bpb bpd bph bpi bpo bpp bpr bps brb brd brh bri bro brp brr brs bsb bsd bsh bsi bso bsp bsr bss dbb dbd dbh dbi dbo dbp dbr dbs ddb ddd ddh ddi ddo ddp ddr dds dh- dhb dhd dhh dhi dho dhp dhr dhs di- dib did dih dii dio dip dir dis dob dod doh doi doo dop dor dos dpb dpd dph dpi dpo dpp dpr dps drb drd dri dro drp drr drs dsb dsd dsh dsi dso dsp dsr dss h-i hbb hbd hbh hbi hbo hbp hbr hbs hdb hdd hdh hdi hdo hdp hdr hds hhb hhd hhh hhi hho hhp hhr hhs hib hid hih hii hio hip hir his hob hod hoh hoi hoo hop hor hos hpb hpd hph hpi hpo hpp hpr hps hr- hrb hrd hrh hri hro hrp hrr hrs hsb hsd hsh hsi hsp hsr hss i-d ibb ibd ibh ibi ibo ibp ibr ibs idb idd idh idi ido idp idr ids ihb ihd ihh ihi iho ihp ihr ihs iib iid iih iii iio iip iir iis io- iob iod ioh ioi ioo iop ior ios ipb ipd ipi ipo ipp ipr ips ir- irb ird iri iro irp irr irs is- isb isd ish isi iso isp isr iss o-i ob- obb obd obh obi obo obp obr obs odb odd odh odi odo odp odr ods ohd ohh ohi oho ohp ohr ohs oib oid oii oio oip oir ois oo- oob ood ooh ooi ooo oop oor oos op- opb opd oph opi opo opp opr ops or- orb ord orh ori oro orp orr ors os- osb osd osh osi oso osp osr oss p-p pbb pbd pbi pbo pbp pbr pbs pdb pdd pdh pdi pdo pdp pdr pds phb phd phi pho php phr phs pib pid pih pii pio pip pir pis pob pod poh poi poo pop por pos ppb ppd pph ppi ppo ppp ppr pps prb prd prh pri pro prp prr prs ps- psb psd psh psi pso psp psr pss rbb rbd rbh rbi rbo rbp rbr rbs rdb rdd rdh rdi rdo rdp rdr rds rh- rhb rhd rhh rhi rho rhp rhr rhs rib rid rih rii rio rip rir ris rob rod roh roi roo rop ror ros rpb rpd rph rpi rpo rpp rpr rps rrb rrd rrh rri rrp rrr rrs rsb rsd rsh rsi rso rsp rsr rss sbb sbd sbh sbi sbo sbp sbr sbs sdb sdd sdh sdi sdo sdp sdr sds sh- shb shd shh shi sho shp shr shs sib sid sih sii sio sip sir sis sob sod soh soi soo sop sor sos spb spd sph spi spo spp spr sps sr- srb srd srh sri sro srp srr srs ss- ssb ssd ssh ssi sso ssp ssr sss

bbbb bbbs bbdd bbdo bbhs bbpr bd-r bddh bdhs bdii bdos bdsd bhhs bhir bhoi bhor bibb bibi bibo bibs bidi bido bidr bids bihi bihs biis bio- bioi bios bipp bips birb bird biri biro birr birs bis- bisd bish biso bisp biss bobb bobi bobo bobs bodb bodh bodi bodo bods bohd boho bohr bohs boi- boid boii bois boob bood booh boop boor boos bopp bops bor- bord borh bori boro borr bors bosh bosi boso boss bphs bprd brdo brds brhs brid brih brio bris brob brod broh broo bror bros brrr brrs brsb brsr bsbd bshs bsod bsos bspp bspr bsrd bssd d-bo dbhs dbos dbpd dbrs dbss dddd ddpo ddps ddss dhbp dhis dhod dhor dhpr dhps dibb dibo dibp dibs didi dido dids diii diis diop dior dios dipo dipp dips dird dirr dirs dis- disd dish disi diso disp diss dobb dobi dobs dod- dodd dodi dodo dods dohr dohs doid dois doob dood doop door doos dopo dopp dopr dops dord dori doro dorp dorr dors dosh dosi doso doss dphp dphs dpos dpph dpsd drhs drib drih drip drob drod droh drop drrs drsp dsdp dsdr dshs dsip dsos dsph dsps dsri dsrp dsrr dssi dssp h-ii hbbs hbds hbhs hbio hbos hbrs hbss hdhs hdod hdos hdri hdss hhds hhhh hhhs hhip hibi hidi hids hihi hiho hiis hiob hipo hipp hips hird hiri hiro hirs hisb hisd hish hiss hobo hobs hodh hodi hodr hods hoho hoid hoip hoir hois hood hoop hoor hoos hopi hopo hopp hops hord hori horo horr hors hosh hosp hoss hpdh hphs hpps hpss hrhs hrib hrid hrip hrob hrod hros hrpp hrps hrso hshs hsob hsps hssp ibdo ibid ibis ibos ibrd ibri ibro ibss iddo idid idio idir idis idos idps idro idso idss ihdr ihis ihob ihop ihrd ihss iiii iiio iiis iioi iioo iiop iios iirs iisd iisi iisp iisr iobi iod- iodd iodo ioii ioio iooi iooo ioos iops iori iors ioso ipdi iphr ipid ipod ipoh ipop ipos ippo ippr ipri ipsi ipso ipsp ipss irbp irdo irdp irds irhs iri- irid irio irip iris irob irod iroh irop irps irri irrs irsp isbd isdb isds ishi ishr ishs isis iso- isop isor isos ispr isps isri isrp issh issi isso issp issr isss obbo obhs obid obis oboi obor obos obrh obri obro obsd obsr obss odbo oddd oddi odds odio odir odis odoh odoo odop odor odos odrp odso ohhi ohho ohhs ohid ohio ohis ohob ohoh ohos ohso ohss oido oids oiii oios oisd oobi oodi ooho oohs ooid oooh oooo ooos oops oord oosi opds ophi ophs opii opio opis opo- opor opos oppi oppo opps opsi orbb orbi orbo orbs ordo ords orhs ori- orid orio oris oro- oror oros orph orpi orps orri orro orrs