dddd dfrf dfri dhod dhol dhor didi dido dif- diff diii dilf dili dill dilo diol dior dird dirl dirr dlii dlil dod- dodd dodi dodo doff dohl dohr doid doil dold dolf doli doll dolo dood doof dool door dord dorf dori doro dorr drif drih dril drod drof droh drol fdlr ffff ffii ffrr fidf fido fiff fifi fifo fiii fiil fild fili fill filo fior fldr flid flii flod floo flor fofo fohr foid foil fold foli foll folo folr food foof fool for- ford fori forl foro forr frid fril frio froh frol h-ii hdif hdil hdod hdri hhhh hhof hidi hiff hifh hifi hifo hifr hihi hiho hiil hild hili hill hilo hird hirf hiri hiro hlod hodh hodi hodr hoff hohl hoho hoid hoif hoil hoir hol- hold holh holi holl holo hood hoof hool hoor hord hori horl horo horr hrid hrod iddo idid idil idio idir idli idol idrf idro ifid ifil ifor ifrf ifri ihdr ihrd iihl iiii iiio iioi iioo ilio ilir ill- illd illi illo iloo iod- iodd iodo ioii ioio iolo ioof iooi iooo iori irdo iri- irid iril irio irod iroh irri ldif lfrd lhhh lhor lidl lido liff lifl lifo lih- lihi liho liii liir lili lill lilo lio- liod lior lird liri lirl liro lirr llll llod lloo lodh lodi loff lofi lohi loho lohr loid loif loir lold loli loll lolo lood loof lool loor lord lori loro lrdd lrif lroi lrrr oddd oddi odio odir odoh odoo odor odrl ofdr off- offh offo offr ofid ofor ohhi ohho ohid ohif ohio ohoh oido oiii oldh olid olio olli ollo olof olor oodi ooff ooho ooid oold oolo oooh oooo oord ordo orff orfi ori- orid orif oril orio orlo oro- orof oror orri orro rdio rfdi rffl rfid rhio rhli rhod rhoh ridd ridi rido riff riho riif rill rilo riol riri rlif rodd rodi rodo roff rofl rofo rohl rohr roid roif roil roio roir rold rolf roll rolo rood roof rooi rool roor rori roro rrif rrrr