bbbb bblb bibb bibi bibl bibo bili bill bilo bilt bilu bio- bioi biol biot biou bipp bipu bito bitt bitu biw- blbt blio blip blit blob bloo blop blot blou blow blub blup blut blw- bobb bobi bobo bobu bobw boi- boii boil boit boiu boli boll bolo bolt bolu boob bool boop boot boow bopp botb boti boto bott botw boul boup bout bouw bowi bowl bowt bpot bpti btbp btlp btob bttb btwo bubb bubi bubo bubu buit buiu bulb buli bull bult bulu buol but- buti buto butt ibot ibtb ibtl iiii iiio iiit iioi iioo iiop iitt iiwi ilio ilit ill- illi illo illp illt iloo ilot ilow ilut ilwu iobi ioii ioio ioit iolo iooi iooo iopl ioto ipil iplo ipop ippo ipto iput itil itll itoi itol itoo itou itto itup iuiu iupp iwil iwiw libo libu liii lilb lili lill lilo lilt lilu lio- lip- lipb lipi lipl lipo lipp lipu litb liti litl lito litt litu liut llll lloo lob- lobb lobi lobo loit loiu loli loll lolo loob lool loop loot lopi lopp lopu loti lotl loto lott loui loul loup lout louu louw lowb lowi lowl lowp lowt lowu loww lppl lptb ltbl ltib luit luli lull lulu lupi lupo lupu luti luup luwi luwo luwu lwbt lwip lwoo lwow obbo obit oblu oboi obol obot oiii oiti olbo olib olio olit olli ollo olot oltu oobi oolo oooo ootb ootp ootw opii opio opit opo- oppi oppo opti opto otit oto- otoo otow otpp otpw otti otto ottu otwo ouii ouit oulu out- outb outi outo ouu- owli owlt owow owt- owtt owul pbil pblu pibb pibi piip pil- pili pill pilo pilt pilu piob piot pipi pipo pipp piti pito pitt pitu piwi plib plio plip plit plob ploo plop plot plou plow plpp pltt plup pobo poil poio poli poll polo polt polu pool poop poot pop- popi popo popp popt poti poto pott potu potw poui poul poup pout pouw powl powp powt ppib ppli pplo pppo pppp pptt ptbl ptol ptop ptui publ pubu puit puiu puli pull pulo pulp pult pulu pupi pupl pupu put- puti puto putt putu pwll tbil tbit tbtp tibi tibu tiit tiiu till tilo tilt tiop tiou tip- tipi tipo tipp tipt tipu titi tito titp titt titu tiwi tlli tobi tobo tobt tobu toil toit tol- toli toll tolo tolt tolu tool toot top- topi topo topp topt topu toti toto tott toui toul toup tout towl tpol tppp tptp tput ttbb ttop tttt ttul tubb tubo tubu tuil tuit tuiu tuli tull tulo tulp tulu tupi tupo tupu tuti tutl tuto tutt tutu tuuo twbt twi- twib twip twit two- twob twol twoo twop twot ubbi ubbo ubii ubit ubli ublo uipi ulli ullo ulo- ulow ulti ulto ultt ulul uplb uplo uppp uppu uptl upto upup util utti utto uttu utwo uulu uuuu wbbb wbbi wbbl wbbo wbbp wbbt wbbw wbib wbil wbio wbip wbiw wblb wbli wbll wblo wblt wblu wblw wbob wboi wbol wbop wbow wbpl wbpt wbpw wbti wbto wbtp wbtt wbtu wbtw wbui wbul wbup wbut wbuw wbwb wbwi wbwl wbwo wbwt wibb wibi wibl wibt wibw wiii wiil wiit wiiu wil- wilb wili will wilo wilp wilt wilw wiob wioi wiol wioo wiop wiot wiou wipb wipi wipo wipp wipt witi witt witu wiuw wiwi wiwu wlbb wlbl wlbt wlbw wlib wlil wlio wlip wliw wlli wlll wllt wllw wlob wlol wloo wlop wlou wlpo wlpw wltb wlti wltl wlto wltp wltt wltu wltw wlub wlup wluw wlwi wlwl wlwt wobb wobl wobo wobt woio wolb woli woll wolp wolt wolw woob wool woop woot woow wopi wopp wotb wotl wott wotw woub woul woup wout wouw wowb wowi wowl wowo wowp wowt woww wpbo wpbt wpib wpil wpio wpip wpit wpll wplo wplp wplt wplw wpob wpoi wpol wpop wpot wpow wppb wppi wppl wppt wptb wpti wptl wptw wpul wpup wput wpwt wtbb wtbi wtbo wtbp wtbu wtib wtil wtip wtiu wtli wtlo wtlu wtlw wtob wtol wtot wtou wtow wtpi wtpl wtpt wttb wtti wttl wtto wttt wttu wttw wtul wtup wtwb wtwo wtwt wtww wubb wubi wubl wubt wubu wuli wull wult wulu wuot wupi wupl wupt wupw wutb wuti wutu wuub wuuu wwbb wwbl wwbt wwbu wwib wwii wwil wwio wwip wwlb wwli wwll wwlp wwlu wwlw wwol wwot wwow wwpb wwpl wwpt wwpw wwti wwtp wwtw wwwi wwwl wwww