a-ak a-do a-ok aaaa aaad aaaf aaar aaav aada aafa aafd aaff aaka aaoo aara aard aaro aava adaa adad adak adao adar adda addd addo addr adfa adod adok adoo ador adra adro afaa afad afak afao afar affa affo afka afkr afoa afoo afor afr- afra afro akaa akao akar akka akko akok akr- akra aora arad araf arak arar arda ardf ardo arfa arff arka arko aroa arod aroo aror arr- arra arrk arro arrr arva arvo avao avar avda avor avra avro avva avvo daad daar dada dado dafa daff dafo daka dako dara dard darf dark daro darr dava dddd dfaf dffa dfrf doak doar dod- doda dodd dodo doff doka doko dood doof dook door dora dord dorf dork doro dorr draa drad draf drak drar drda drod drof drra dvar dvda dvdr dvfr dvoa dvor dvra f--k faaa faad fada fadd fado fafa faff fafo fako fara fard fark faro farr fava fdoa ffar ffff ffrr foad foaf foak foar foda fofo food foof fook for- fora ford fork foro forr fr-v frad frak kaaa kaaf kaak kaar kad- kada kadd kadf kado kadr kadv kafa kaff kafr kaka kakk kako kaoa kaok kaor kara kard karf kark karo karr karv kava kavo kavv kdaa kdad kdaf kdak kdao kdar kdav kddd kddf kddk kddr kdfo kdfr kdka kdkd kdkk kdko kdkr kdok kdov kdrf kdro kdrv kdva kdvr kdvv kfar kfav kfda kffa kfff kffk kffv kfka kfok kfoo kfor kfra kfrd kfro kfrr kfvr kkaa kkar kkda kkdd kkdo kkdv kkfr kkkk kkoa kkoo kkor kkov kkrf kkrk kkro kkrr kkrv kkvr kkvv koak koar koda kodk kodo kodv kofa koff kofk kofo koka kokf kokk koko kokr kook kooo koor koov kora kord korf kork koro korr korv kova kovk kovo kovr krad krak krar krav krda krdd krdo krdr krfd krff krfo krka krkd krkk krko krkr krkv kroa krod krof krok kroo kror krov krrf krrk krro krrr krva krvf krvk krvo krvr krvv kvak kvar kvda kvdf kvfd kvoa kvod kvok kvoo kvor kvov kvra kvrf kvro kvrr kvrv kvvf kvvr kvvv oafo oara odda oddd odoo odor odra odva ofdr off- offa offo offr ofor ofra okak okka okko okok okor okra okro ooaa ooak ooda ooff oooo oora oord orad orak orao orar orav orda ordo orff orka orko oro- orof orok oror orra orro orvr ovar ovda ovo- ovod ovoo ovra raad raaf raak rada radd rado radr rafa raff raka rakk raok rara rarf rark raro rava rdfa rkkf road roaf roak roar roda rodd rodo roff rofo roka rokk roko rokr rood roof rook roor rora rork roro rova rovo rrad rrrr vaad vaar vada vado vafa vaka vara vard varf vark varr vava vfor vkor voad voar voda vodo voff vofr voka voor vor- vora vord voro vovk vrak vrav vvvv