-al a-a a-b a-t aaa aab aaf aak aal aar aat aau ab- aba abb abf abk abl abr abt abu af- afa afb aff afk afl afr aft afu aka akb akk akl akr aku al- ala alb alf alk all alr alt alu ar- ara arb arf ark arl arr art aru at- ata atb atf atl atr att atu au- aua aub auf auk aul aur aut b-u baa bab baf bak bal bar bat bau bba bbb bbf bbk bbl bbr bbt bbu bfa bfb bff bfl bfr bft bfu bka bkb bkf bkk bkl bkr bkt bla blb blf blk bll blr blt blu bra brb brf brk brl brr brt bru bta btb btf btk btl btr btt btu bua bub buf buk bul bur but buu faa fab faf fak fal far fat fau fba fbb fbf fbk fbl fbr fbt fbu ffa fff ffk ffl ffr fft ffu fka fkb fkf fkk fkl fkt fla flb flf fll flr flt flu fra frb frf frk frl frr frt fru fta ftb ftf ftk ftl ftr ftt ftu fua fub fuf fuk ful fur fut fuu k-t ka- kaa kab kaf kak kal kar kat kau kba kbb kbf kbk kbl kbr kbu kfa kff kfu kkb kkk kkl kkr kkt kku kl- kla klb klf klr klt klu kra krf krk krl krr krt kru kta ktb ktf ktk ktl ktr ktt ktu kub kuk kul kur kut kuu la- laa lab laf lak lal lar lat lau lba lbb lbf lbk lbl lbr lbt lbu lfa lfb lff lfk lfl lfr lft lfu lka lkb lkl lkr lkt lla llb llf llk lll llr llt llu lra lrb lrf lrk lrr lrt lru lta ltb ltf ltk ltl ltr ltt ltu lua lub luf luk lul lur lut luu ra- raa rab raf rak ral rar rat rau rba rbb rbf rbk rbl rbr rbt rbu rfa rfb rff rfk rfl rfr rft rfu rkb rkf rkk rkt rku rla rlf rll rlr rlt rlu rra rrb rrf rrk rrl rrr rrt rru rta rtb rtf rtk rtl rtr rtt rtu rua rub ruf ruk rur rut ruu taa tab taf tak tal tar tat tau tba tbb tbf tbk tbl tbr tbt tbu tfa tfb tff tfk tfl tfr tft tfu tka tkb tkk tkl tkr tkt tla tlf tlk tll tlr tlt tlu tra trb trf trk trl trr trt tru tta ttb ttf ttk ttl ttr ttt ttu tua tub tuf tuk tul tur tut tuu ua- uaa uab uaf uak ual uar uat uau uba ubb ubf ubk ubl ubr ubt ubu ufa uff ufl ufr uft ufu uka ukb ukf ukk ukl ukr uku ula ulb ulf ulk ull ulr ult ulu ur- ura urb urf urk url urr urt uru uta utb utf utk utl utr utt utu uua uur uut uuu