b-p bbb bbg bbi bbn bbo bbp bbt bgb bgg bgi bgn bgo bgp bgt bi- bib big bii bin bio bip bit bnb bng bni bnn bno bnp bnt bob bog boi bon boo bop bot bpb bpg bpi bpn bpo bpp bpt btb btg bti btn bto btp btt g-p gbg gbi gbn gbo gbp gbt ggb ggg ggi ggn ggo ggp ggt gib gig gii gin gio gip git gnb gni gnn gno gnp gnt gob gog goi gon goo gop got gpb gpg gpi gpn gpo gpp gpt gtb gtg gti gtn gto gtp gtt ibb ibg ibi ibn ibo ibp ibt igb igg igi ign igo igp igt iib iii iin iio iip iit in- inb ing ini inn ino inp int io- iob iog ioi ion ioo iop iot ipb ipg ipi ipn ipo ipp ipt itb itg iti itn ito itp itt n-i nbb nbg nbi nbn nbo nbp nbt ngb ngg ngi ngn ngo ngp ngt nib nig nii nin nio nip nit nnb nng nni nnn nno nnp nnt no- nob nog noi non noo nop not npb npg npi npn npo npp npt ntb ntg nti ntn nto ntp ntt o-i ob- obb obg obi obn obo obp obt ogg ogi ogn ogo ogp ogt oib oii oin oio oip oit on- onb ong oni onn ono onp ont oo- oob oog ooi oon ooo oop oot op- opb opg opi opn opo opp opt ot- otb otg oti otn oto otp ott p-p pbb pbg pbi pbn pbo pbp pbt pgb pgg pgi pgn pgo pgp pgt pib pig pii pin pio pip pit pn- pnb png pni pnn pno pnp pnt pob pog poi pon poo pop pot ppb ppg ppi ppn ppo ppp ppt pt- ptb ptg pti ptn pto ptp ptt tbb tbg tbi tbn tbo tbp tbt tgb tgg tgi tgn tgo tgp tgt tib tig tii tin tio tip tit tnb tng tni tnn tno tnp tnt to- tob tog toi ton too top tot tpb tpg tpi tpn tpo tpp tpt ttb ttg tti ttn tto ttp ttt