b-p bbb bbd bbi bbo bbp bbs bbt bby bdb bdd bdi bdo bdp bds bdt bdv bdy bi- bib bid bii bio bip bis bit biv biy bob bod boi boo bop bos bot bov boy bpb bpd bpi bpo bpp bps bpt bpv bpy bsb bsd bsi bso bsp bss bst bsv bsy btb btd bti bto btp bts btt btv bty bvb bvd bvi bvo bvp bvs bvt bvv by- byd byi byo byp bys byt dbb dbd dbi dbo dbp dbs dbt dbv dby ddb ddd ddi ddo ddp dds ddt ddy di- dib did dii dio dip dis dit div diy dob dod doi doo dop dos dot dov doy dpb dpd dpi dpo dpp dps dpt dpv dsb dsd dsi dso dsp dss dst dsv dsy dtb dtd dti dto dtp dts dtt dtv dty dvb dvd dvi dvp dvs dvt dy- dyb dyd dyo dyp dys dyy i-d i-v ibb ibd ibi ibo ibp ibs ibt ibv iby idb idd idi ido idp ids idt idv idy iib iid iii iio iip iis iit io- iob iod ioi ioo iop ios iot iov ipb ipd ipi ipo ipp ips ipt ipv ipy is- isb isd isi iso isp iss ist isv isy itb itd iti ito itp its itt itv ity ivb ivd ivi ivo ivp ivs ivt ivv ivy iyo iys iyt iyy o-i ob- obb obd obi obo obp obs obt obv oby odb odd odi odo odp ods odt odv oib oid oii oio oip ois oit oiv oo- oob ood ooi ooo oop oos oot oov op- opb opd opi opo opp ops opt opv opy os- osb osd osi oso osp oss ost osv ot- otb otd oti oto otp ots ott otv ov- ovb ovd ovi ovo ovp ovs ovv oyd oyi oyo oys p-p pbb pbd pbi pbo pbp pbs pbt pby pdb pdd pdi pdo pdp pds pdt pdv pib pid pii pio pip pis pit piv pob pod poi poo pop pos pot pov poy ppb ppd ppi ppo ppp pps ppt ppv ps- psb psd psi pso psp pss pst psv psy pt- ptb ptd pti pto ptp pts ptt ptv pty pvb pvd pvi pvo pvp pvs pvt pvv py- pyb pyd pyo pys pyt sbb sbd sbi sbo sbp sbs sbt sbv sby sdb sdd sdi sdo sdp sds sdt sdv sdy sib sid sii sio sip sis sit siv sob sod soi soo sop sos sot sov soy spb spd spi spo spp sps spt spv spy ss- ssb ssd ssi sso ssp sss sst ssv stb std sti sto stp sts stt stv sty svb svd svi svo svp svs svt svv svy sy- syb syd syi syp sys syt tbb tbd tbi tbo tbp tbs tbt tbv tdb tdd tdi tdo tdp tds tdt tdv tdy tib tid tii tio tip tis tit tiv tiy to- tob tod toi too top tos tot tov toy tpb tpd tpi tpo tpp tps tpt tpv tsb tsd tsi tso tsp tss tst tsv tsy ttb ttd tti tto ttp tts ttt ttv tty tvb tvd tvi tvo tvp tvs tvt tvy tyd tyo typ tys tyt vbd vbi vbo vbs vbv vdb vdd vdi vdo vdp vds vdt vdv vi- vib vid vii vio vip vis vit viv viy vob vod voi voo vop vos vot vov voy vpb vpd vpi vpo vpp vps vpt vsb vsd vsi vso vsp vss vst vsv vtb vti vto vts vtt vtv vty vvb vvi vvo vvs vvt vvv vyd vyp vyt ybi ybp ybs yby ydo yds ydt ydy yid yii yio yip yis yit yob yod yoi yoo yop yos yot yoy ypd ypo yps ysb ysi yso ysp yss yst ysy ytd yto ytp yts ytt ytv yvi yvo yvy yyb yys yyt yyy