icpa icpc icta ictp icub icue icup ieac ieat iecc ieet ieie iele iepa ieta iett iiac iica iiie iiii iiit iila iipa iita iitt iiuc ilac ilal ilbc ilca ilce ile- ilea ilec ilet ilia ilic ilie ilit ill- illa ille illi illp illt ilpa ilpe ilut ipac ipat ipba ipca ipcc ipce ipct ipea ipec ipet ipie ipil ippa ippc ipta iptc iput itaa itac itai ital itap itat itbe itea itec itel itep itet itia itic itie itil itll itpa itpc itta itup iucc iuce iuel iuiu iupa iupp laaa laac laal laap laat laba labe labi labu laca lacc lace laci lacl lacp lact lacu lael laet laia laic laie lail laip lait lala lale lali lall lalu lapa lapb lapc lape lapi lapp lapt lapu lata latc late lati latt latu laub laue laul laut lbcc lbia lcac lcat lcbc lcca lccc lcce lcia lcpa lcpc lcpl lctl le-u leaa leal leap leat leau leba lebu leca lece lect leea leel leep leet leia leib leic leie leil leit lela lele leli lell lelu lepa lepe lepi lepp lept leta lete leti lett leuc liac liat liba libc libe libu lica lice lict lieb liel liep liet lieu liia liii lila lilb lile lili lill lilt lilu lip- lipa lipb lipc lipe lipi lipl lipp lipu lita litb lite liti litl litt litu liua liue liut llat llcc llet lleu lllc llll lpac lpec lpla lppl lptb ltac ltae ltap ltbl ltcc ltci ltee ltib ltpa lttc ltuc luai luau luba lube luca luce luci luit lula lule luli lull lulu lupa lupe lupi lupu luta lute luti luua luup paal paap paat paba pabt pabu paca pace paci pact pacu paea paec paep paia paib paie pail paip pait pala pale pali pall palp palt palu papa papb pape papi papp pata pate pati patt patu paua paul paup paut pbac pbcc pbil pblu pbpa pcaa pcae pcap pcba pcbc pcca pccc pcce pccl pcea pcep pcia pcip pcll pcpb pcpp pcte peab peac peai peal peap peat peau peba pebl peca pece peci pecl pect peec peel peep peet peia peil peip peit pel- pela pelb pele pell pelt pelu pepa pepe pepi peta pete peti pett peul peut piai pial piat piau pibb pibi pica picc pice pici pict picu piea piel piep piet piia piip pil- pila pile pili pill pilt pilu pipa pipe pipi pipp pita pite piti pitt pitu plaa plab plac plai plap plat plau plcc plce ple- plea pleb plec plee plei plet pleu plib plie plip plit plpa plpp pltt plua plue plup ppac ppal ppap ppcc ppci ppib ppic ppie pple ppli pppa pppp ppta pptt ptab ptal ptbl ptca ptcc ptcl pttc ptui pu-e pube publ pubu puca puce puel puet pueu puit puiu pula pule puli pull pulp pult pulu pupa pupe pupi pupl pupu put- puta pute puti putt putu puuc taa- taal taat taba tabb tabc tabe tabi tabl tabu taca tacc tace taci tacl tact taec tael taia tail taip tait tala talc tale tali tall talu tapa tape tapi tapp tapt tapu tata tatb tate tati tatt tatu taua taub tauc taue taul taut tbca tbcb tbcc tbce tbil tbit tbta tbtp tcap tcca tccc tccu tcep tcpa tctc tcul teac teal teat teba tebu teca tecl tect teec teel teet teia teic teie teil teip teiu tel- tela telc tele teli tell telt telu tepa tepe tepi tepp tepu teta tete teti tett tetu teut tiaa tiab tial tiba tibi tibu tica ticc tice tie- tiea tiee tiei tiel tiep tiet tiit tiiu tila tile till tilt tip- tipa tipc tipe tipi tipp tipt tipu tita titc tite titi titp titt titu tlac tlli tlpa tpac tpap tpau tpcp tpia tppa tppp tpte tptp tput ttab ttbb ttcp tttt ttul tuae tual tuat tuba tubb tube tubu tuca tucc tuei tuel tuet tuil tuit tuiu tula tule tuli tull tulp tulu tupa tupe tupi tupu tuta tute tuti tutl tutt tutu u-ie uabc uaca uata uatu uaua ubac ubal ubba ubbe ubbi ubet ubic ubii ubit ubla uble ubli ubpc ucai ucal ucat ucbc ucca ucci uccp ucea ucel ucil ucla ucpa ucpb ucua ucut ueba uele ueli uell uepi uica uile uipi ulaa ulae ulai ulbc ulcc ulea uleb ulee ulic ulie ulla ulle ulli ulta ulti ultt ulua ulul upac upal upat upbe upca upci upic upie upla uplb uppa uppc uppe uppp uppu uptl upup utac utai utal utau utec utel utep utia util utpa utti uttu uucp uulu uuta uuuu