b-p bbb bbe bbi bbk bbo bbp bbs bbt be- beb bee bei bek beo bep bes bet bev bi- bib bie bii bik bio bip bis bit biv bkb bke bkk bko bkp bks bkt bkv bob boe boi bok boo bop bos bot bov bpb bpe bpi bpo bpp bps bpt bpv bsb bse bsi bsk bso bsp bss bst bsv btb bte bti btk bto btp bts btt btv bvb bve bvi bvk bvo bvp bvs bvt bvv ebb ebe ebi ebk ebo ebp ebs ebt ebv eeb eee eek eeo eep ees eet eev eib eie eii eik eio eip eis eit eiv ekb eke eki eko ekp eks ekt ekv eo- eob eoe eoi eok eoo eop eos eot ep- epb epe epi epo epp eps ept es- esb ese esi esk eso esp ess est esv etb ete eti etk eto etp ets ett etv evb eve evi evo evp evs evt evv i-v ibb ibe ibi ibk ibo ibp ibs ibt ibv ie- iee iei iek iep ies iet iev iib iie iii iio iip iis iit ikb ike iki ikk iko iks ikt ikv io- iob ioe ioi ioo iop ios iot iov ipb ipe ipi ipo ipp ips ipt ipv is- isb ise isi isk iso isp iss ist isv itb ite iti itk ito itp its itt itv ivb ive ivi ivo ivp ivs ivt ivv k-t kbb kbe kbi kbk kbo kbp kbs ke- keb kee kei kek keo kep kes ket kev kib kie kii kik kio kip kis kit kiv kkb kke kki kkk kkp kks kkt kkv kob koe koi kok koo kop kos kot kpe kpi kpk kpo kpp kps kpt kpv ksb kse ksi ksk kso ksp kss kst ksv ktb kte ktk kto ktp kts ktt ktv kvb kvi kvk kvo kvp kvs kvv o-i ob- obb obe obi obk obo obp obs obt obv oeb oee oei oeo oep oes oet oib oie oii oik oio oip ois oit oiv okb oke oki okk oko okp oks oo- oob ooi ook ooo oop oos oot oov op- opb ope opi opk opo opp ops opt opv os- osb ose osi osk oso osp oss ost osv ot- otb ote oti otk oto otp ots ott otv ov- ovb ove ovi ovo ovp ovs ovv p-p pbb pbe pbi pbk pbo pbp pbs pbt peb pee pei pek peo pep pes pet pev pib pie pii pik pio pip pis pit piv pkb pke pki pko pkp pks pkt pob poe poi pok poo pop pos pot pov ppb ppe ppi ppk ppo ppp pps ppt ppv ps- psb pse psi psk pso psp pss pst psv pt- ptb pte pti ptk pto ptp pts ptt ptv pvb pve pvi pvk pvo pvp pvs pvt pvv sbb sbe sbi sbk sbo sbp sbs sbt sbv se- seb see sei sek seo sep ses set sev sib sie sii sik sio sip sis sit siv sk- skb ske ski skk sko skp sks skt sob soe soi sok soo sop sos sot sov spb spe spi spk spo spp sps spt spv ss- ssb sse ssi ssk sso ssp sss sst ssv stb ste sti stk sto stp sts stt stv svb sve svi svk svo svp svs svt svv tbb tbe tbi tbk tbo tbp tbs tbt tbv te- teb tee tei tek teo tep tes tet tev tib tie tii tik tio tip tis tit tiv tkb tke tkk tko tkp tks tkt to- tob toe toi tok too top tos tot tov tpb tpe tpi tpk tpo tpp tps tpt tpv tsb tse tsi tsk tso tsp tss tst tsv ttb tte tti ttk tto ttp tts ttt ttv tvb tve tvi tvk tvo tvp tvs tvt v-e vbi vbk vbo vbs vbv veb vee vei vek veo vep ves vet vi- vib vie vii vik vio vip vis vit viv vkb vkp vkt vob voe voi vok voo vop vos vot vov vpb vpe vpi vpk vpo vpp vps vpt vsb vse vsi vsk vso vsp vss vst vsv vtb vte vti vtk vto vts vtt vtv vvb vvi vvo vvs vvt vvv

-ose bbbb bbbs bbeb bbet bebb bebe bebi bebo beeb beek beep bees beet beik beis beit beke beki beko beks beo- beok beos beot bepo bes- bese besk beso bess best bete beti beto bets bett betv bevo bevs bibb bibe bibi bibo bibs bieb bies biet biis bike biko bio- bioi bios biot bipp bips bis- bise bisk biso bisp biss bist bite bito bits bitt bive bivi bkpt bksp bobb bobe bobi bobo bobs boee boeo boep boes boet boi- boie boii bois boit boke boki boko boks boob booe book boop boos boot bope bopp bops bose bosi bosk boso boss bost botb bote boti boto bots bott bove bovi bovo bpoe bpot bpti bseb bsee bses bset bskt bsos bspp bsse bsts bstv btbp btek btie btob btps btss bttb btvi ebbo ebbs ebes ebis ebit eboe eboo ebos ebpo eeee eees eeke eeks eeps eese eesi eesk eete eets eiei eies eike eiki eiko eiks eipo eise eisk eiso eiss eist eitb eiti eito ekeb ekek ekes eket ekis ekki ekoi ekos ekpe ekpo eksi eoes eois eost eoto eots epee epes epi- epie epik epip epis epit epos epot eppo eppp epps epsi epsp epss epte eptv esbo esbs esee esek eseo eses eset esie esik esis esit eske esko esks eso- esok esop esos espe espi espo espp esps esse essi esso essp esst este esto estp ests estv etee etes etik etio etoe etok etos etsi ette etti etto etvo eves evet evie evoe evoo evop evos evst evvk i-be ibes ibet ibie ibis ibos ibot ibss ibtb ibts ieet ieie ieio iesi ieso iest iett ietv iies iiie iiii iiio iiis iiit iioi iioo iiop iios iisi iisp iist iitt ikee ikes ikki ikko ikoo iobi ioee