-al -ol a-a a-b a-t aaa aab aak aal aam aao aar aat ab- aba abb abk abl abm abo abr abt aka akb akk akl akm ako akr al- ala alb alk all alm alo alr alt ama amb amk aml amm amo amr amt aoa aob aok aol aom aoo aor aot ar- ara arb ark arl arm aro arr art at- ata atb atl atm ato atr att baa bab bak bal bam bao bar bat bba bbb bbk bbl bbm bbo bbr bbt bka bkb bkk bkl bkm bko bkr bkt bla blb blk bll blm blo blr blt bma bmb bmk bml bmm bmo bmr bmt boa bob bok bol bom boo bor bot bra brb brk brl brm bro brr brt bta btb btk btl btm bto btr btt k-t ka- kaa kab kak kal kam kao kar kat kba kbb kbk kbl kbm kbo kbr kkb kkk kkl kkm kkr kkt kl- kla klb klm klo klr klt kma kmb kmk kml kmm kmo kmt koa kob kok kol kom koo kor kot kra krk krl kro krr krt kta ktb ktk ktl ktm kto ktr ktt la- laa lab lak lal lam lao lar lat lba lbb lbk lbl lbm lbo lbr lbt lka lkb lkl lkr lkt lla llb llk lll llm llo llr llt lma lmb lmk lml lmm lmo lmr lmt loa lob lok lol lom loo lor lot lra lrb lrk lrm lro lrr lrt lta ltb ltk ltl ltm lto ltr ltt m-o m-r maa mab mak mal mam mao mar mat mba mbb mbk mbl mbm mbo mbr mbt mka mkb mkk mkl mkm mko mkr mkt mla mlb mlk mll mlm mlo mlr mlt mma mmb mmk mml mmm mmo mmr mmt moa mob mok mol mom moo mor mot mra mrb mrk mrl mrm mro mrr mrt mta mtb mtk mtl mtm mto mtr mtt oaa oab oak oal oam oao oar oat ob- oba obb obk obl obm obo obr obt oka okb okk okl oko okr ola olb olk oll olm olo olt om- oma omb oml omm omo omr omt oo- ooa oob ook ool oom ooo oor oot or- ora orb ork orl orm oro orr ort ot- ota otb otk otl otm oto otr ott ra- raa rab rak ral ram rao rar rat rba rbb rbk rbl rbm rbo rbr rbt rkb rkk rkm rko rkt rla rll rlm rlo rlr rlt rma rmb rml rmm rmo rmr rmt roa rob rok rol rom roo ror rot rra rrb rrk rrl rrm rrr rrt rta rtb rtk rtl rtm rto rtr rtt taa tab tak tal tam tao tar tat tba tbb tbk tbl tbm tbo tbr tbt tka tkb tkk tkl tkm tko tkr tkt tla tlk tll tlm tlo tlr tlt tma tmb tmk tml tmm tmo tmr tmt to- toa tob tok tol tom too tor tot tra trb trk trl trm tro trr trt tta ttb ttk ttl ttm tto ttr ttt