b-p bbb bbi bbo bbp bbs bbt bi- bib bii bio bip bis bit bob boi boo bop bos bot bpb bpi bpo bpp bps bpt bsb bsi bso bsp bss bst btb bti bto btp bts btt ibb ibi ibo ibp ibs ibt iib iii iio iip iis iit io- iob ioi ioo iop ios iot ipb ipi ipo ipp ips ipt is- isb isi iso isp iss ist itb iti ito itp its itt o-i ob- obb obi obo obp obs obt oib oii oio oip ois oit oo- oob ooi ooo oop oos oot op- opb opi opo opp ops opt os- osb osi oso osp oss ost ot- otb oti oto otp ots ott p-p pbb pbi pbo pbp pbs pbt pib pii pio pip pis pit pob poi poo pop pos pot ppb ppi ppo ppp pps ppt ps- psb psi pso psp pss pst pt- ptb pti pto ptp pts ptt sbb sbi sbo sbp sbs sbt sib sii sio sip sis sit sob soi soo sop sos sot spb spi spo spp sps spt ss- ssb ssi sso ssp sss sst stb sti sto stp sts stt tbb tbi tbo tbp tbs tbt tib tii tio tip tis tit to- tob toi too top tos tot tpb tpi tpo tpp tps tpt tsb tsi tso tsp tss tst ttb tti tto ttp tts ttt

bbbb bbbs bibb bibi bibo bibs biis bio- bioi bios biot bipp bips bis- biso bisp biss bist bito bits bitt bobb bobi bobo bobs boi- boii bois boit boob boop boos boot bopp bops bosi boso boss bost botb boti boto bots bott bpot bpti bsos bspp bsts btbp btob btps btss bttb ibis ibos ibot ibss ibtb ibts iiii iiio iiis iiit iioi iioo iiop iios iisi iisp iist iitt iobi ioii ioio ioit iooi iooo ioos iops ioso ioto ipop ipos ippo ipsi ipso ipsp ipss ipto ipts isbt isis isit iso- isop isos isps issi isso issp isss isti isto istp ists itbs itis itoi itoo itos itsi itso itsp itto obbo obis obit oboi obos obot obss obst obts oiii oios oist oiti oobi oooo ooos oops oosi oost ootb ootp oots opii opio opis opit opo- opos oppi oppo opps opsi opti opto opts osbp osii osip osis osoi osoo osos ossb ossi osso osti osts otbs otis otit oto- otoo otos otpp otso otti otto otts pbsp pibb pibi piip piob piot pipi pipo pipp pips pisi piso piss pist piti pito pits pitt pobo pobs poio pois poop poos poot pop- popi popo popp pops popt posb posi poso poss post poti poto pots pott ppib ppos pppo pppp ppps ppss ppts pptt psbt psip psis psoi psos pspi pspp psps psso psst psts ptop s-ib s-ii s-os sbbs sbot sbsi sbsp sbst sibi sibo sibs siit siop sios siot sipi sipo sipp sips sipt sisi siss sist sit- siti sito sits sitt sobo sobp sobs sobt sois soit soop soos soot sopi sopo sopp sops sosi soso soss sost soto sotp sots spib spio spip spis spit spoo spop spos spot spps spso spsp spss spst sptb spto spts ssis ssit ssop ssot sspo ssps sspt sssb sssi ssss sstb sstp ssts stbs stib stio stip stis stit stob stoo stop stos stot stpp stps stsi stss tbbs tbit tbsp tbst tbtp tibi tibs tiit tiop tios tip- tipi tipo tipp tips tipt tisb tisi tiso tiss tist titi tito titp tits titt tobi tobo tobs tobt tois toit toos toot top- topi topo topp tops topt tosb tosi toso toss tost toti toto tots tott tppp tptp tsis tsob tsoi tsop tsos tspo tsps tspt tssi tsst tsts ttbb ttop ttss tttt

-itis bibbo bibbs bibio bibis bibos bioss bipib bispo bisto bitis bitit bitop bitti bitto bitts bo-bo bobbi bobos bobst bobts boios boist boito boobs booit boops boost boots bopis bopit bosio bossi bosso botis botos botti botts bpips bpost btops i-bot ibibo iiiii iitti iobit ioooi ioooo iotit iotti ipiti ipopt ipsi- ipsos is-is isios isisi isiti isits isitt ispot istoo istop itbit itisi itiso itobi itoss itsit itsso itsto ittoo ittti obits obosi oitti oobit ooioo ooooo oopsi opio- opito opobo oppos opsis opsit optio opto- optot optto ososo ospis ossi- ossip ossis ossos osstp ostis otisb otobi otoso ototo ottis ottoi ottos pbist piisi piots pipis pipit pippi pippo pissi pisti pisto pitio pitip pitis pitos pitot pitso pitti pitto pitts po-po poist poopo poops poost poots popis popoi popop popos poppi poppo posio posip posit post- posti posto postp posts potoo potop potos potti potto potts pssst pssts s-bot s-iii sibos sibot sipit sipoo sipos sippi sippo sipsi sipti sisis sissi sisto sists sitio sitit sito- sitsi sitti so-so soosi soots sopit sopot soppo sopst sopto soss- sossi sosti sosto sotio sotoo sotos sotto sotts spiss spiti spits sposi sposo spots sssss stib- stibb stibo stips stitt stobi stobs stoib stoit stoob stoop stoos stoot stopo stopp stops stopt stoss stots stott t-pop t-top tbsps tbtbt ti-ti tibbi tibbs tipis tipit tippi tipto tisis tiss- tissi tisso titii titis titos titti tobit tobot toist toits toobs toost toots topbt topio topis topit topo- topoi topos topot toppo topps toptb topto tosit tosos toss- tosti tosto toti- toto- totoo totop totos tppts tsito tstop ttops ttttt

b-post bbbbbb bbspot bibost biotti bipost bitpop bobbio bobbos boists booboo boopsi boosts bootit bososo bospop bossip botsis bs-tbs ibibio iiooio isists isitso ispois itisso itisto obispo oboist obsist oooooo oopsis optibo optist optsto osoppo ossott otitis otosis ototoi ottoii piopio pioppi piotti pipipi pipisb pipits pippip pissis pissos pistis pitpit pitsos pittis poipoi poopoo pootsi pop-it popbot popopo poppit poppop poptop posits postit postop potito potoos potosi pottop pottos pppppp ppsspp ptosis sibiti siiiii sippio sisisi sissoo sitio- sobos soitis soosoo sostio sostis stibi- stibo- stipit stipos stobbs stoist stoopb stoops stopit stoppo stotts t-stop t-tops tibbit tibio- tip-it tipiti tippis tippit tiptop tissot titbit tobits toboot